Close Encounters in a Pediatric Ward: Measuring Face-to-Face Proximity and Mixing Patterns with Wearable Sensors
- Publication Date
- February 28, 2011
- Journal
- PLOS ONE
- Authors
- Lorenzo Isella, Mariateresa Romano, Alain Barrat, Ciro Cattuto, et al
- Volume
- 6
- Issue
- 2
- Pages
- e17144
- DOI
- https://dx.plos.org/10.1371/journal.pone.0017144
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0017144
- PubMed
- http://www.ncbi.nlm.nih.gov/pubmed/21386902
- PubMed Central
- http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3046133
- Europe PMC
- http://europepmc.org/abstract/MED/21386902
- Web of Science
- 000287931400032
- Scopus
- 79952215963
- Mendeley
- http://www.mendeley.com/research/close-encounters-pediatric-ward-measuring-facetoface-proximity-mixing-patterns-wearable-sensors
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Mendeley | Further Information
{"title"=>"Close encounters in a pediatric ward: Measuring face-to-face proximity and mixing patterns with wearable sensors", "type"=>"journal", "authors"=>[{"first_name"=>"Lorenzo", "last_name"=>"Isella", "scopus_author_id"=>"15750547000"}, {"first_name"=>"Mariateresa", "last_name"=>"Romano", "scopus_author_id"=>"35316179800"}, {"first_name"=>"Alain", "last_name"=>"Barrat", "scopus_author_id"=>"7003666520"}, {"first_name"=>"Ciro", "last_name"=>"Cattuto", "scopus_author_id"=>"6701361048"}, {"first_name"=>"Vittoria", "last_name"=>"Colizza", "scopus_author_id"=>"8225873300"}, {"first_name"=>"Wouter", "last_name"=>"van den Broeck", "scopus_author_id"=>"36184859800"}, {"first_name"=>"Francesco", "last_name"=>"Gesualdo", "scopus_author_id"=>"23012147100"}, {"first_name"=>"Elisabetta", "last_name"=>"Pandolfi", "scopus_author_id"=>"24773486800"}, {"first_name"=>"Lucilla", "last_name"=>"Ravà", "scopus_author_id"=>"6701780228"}, {"first_name"=>"Caterina", "last_name"=>"Rizzo", "scopus_author_id"=>"8360200900"}, {"first_name"=>"Alberto Eugenio", "last_name"=>"Tozzi", "scopus_author_id"=>"7006852999"}], "year"=>2011, "source"=>"PLoS ONE", "identifiers"=>{"issn"=>"19326203", "arxiv"=>"1104.2515", "isbn"=>"10.1371/journal.pone.0017144", "pui"=>"361364895", "sgr"=>"79952215963", "doi"=>"10.1371/journal.pone.0017144", "scopus"=>"2-s2.0-79952215963", "pmid"=>"21386902"}, "id"=>"453e4366-7e38-3e78-93e1-443a93fe791f", "abstract"=>"BACKGROUND: Nosocomial infections place a substantial burden on health care systems and represent one of the major issues in current public health, requiring notable efforts for its prevention. Understanding the dynamics of infection transmission in a hospital setting is essential for tailoring interventions and predicting the spread among individuals. Mathematical models need to be informed with accurate data on contacts among individuals.\\n\\nMETHODS AND FINDINGS: We used wearable active Radio-Frequency Identification Devices (RFID) to detect face-to-face contacts among individuals with a spatial resolution of about 1.5 meters, and a time resolution of 20 seconds. The study was conducted in a general pediatrics hospital ward, during a one-week period, and included 119 participants, with 51 health care workers, 37 patients, and 31 caregivers. Nearly 16,000 contacts were recorded during the study period, with a median of approximately 20 contacts per participants per day. Overall, 25% of the contacts involved a ward assistant, 23% a nurse, 22% a patient, 22% a caregiver, and 8% a physician. The majority of contacts were of brief duration, but long and frequent contacts especially between patients and caregivers were also found. In the setting under study, caregivers do not represent a significant potential for infection spread to a large number of individuals, as their interactions mainly involve the corresponding patient. Nurses would deserve priority in prevention strategies due to their central role in the potential propagation paths of infections.\\n\\nCONCLUSIONS: Our study shows the feasibility of accurate and reproducible measures of the pattern of contacts in a hospital setting. The obtained results are particularly useful for the study of the spread of respiratory infections, for monitoring critical patterns, and for setting up tailored prevention strategies. Proximity-sensing technology should be considered as a valuable tool for measuring such patterns and evaluating nosocomial prevention strategies in specific settings.", "link"=>"http://www.mendeley.com/research/close-encounters-pediatric-ward-measuring-facetoface-proximity-mixing-patterns-wearable-sensors", "reader_count"=>122, "reader_count_by_academic_status"=>{"Unspecified"=>1, "Professor > Associate Professor"=>7, "Researcher"=>26, "Student > Doctoral Student"=>7, "Student > Ph. D. Student"=>35, "Student > Postgraduate"=>3, "Student > Master"=>19, "Other"=>5, "Student > Bachelor"=>10, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>5, "Professor"=>3}, "reader_count_by_user_role"=>{"Unspecified"=>1, "Professor > Associate Professor"=>7, "Researcher"=>26, "Student > Doctoral Student"=>7, "Student > Ph. D. Student"=>35, "Student > Postgraduate"=>3, "Student > Master"=>19, "Other"=>5, "Student > Bachelor"=>10, "Lecturer"=>1, "Lecturer > Senior Lecturer"=>5, "Professor"=>3}, "reader_count_by_subject_area"=>{"Unspecified"=>7, "Agricultural and Biological Sciences"=>13, "Arts and Humanities"=>1, "Business, Management and Accounting"=>4, "Veterinary Science and Veterinary Medicine"=>2, "Computer Science"=>17, "Earth and Planetary Sciences"=>1, "Engineering"=>13, "Nursing and Health Professions"=>3, "Biochemistry, Genetics and Molecular Biology"=>2, "Mathematics"=>5, "Medicine and Dentistry"=>27, "Design"=>3, "Physics and Astronomy"=>16, "Psychology"=>3, "Social Sciences"=>5}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>27}, "Social Sciences"=>{"Social Sciences"=>5}, "Physics and Astronomy"=>{"Physics and Astronomy"=>16}, "Psychology"=>{"Psychology"=>3}, "Mathematics"=>{"Mathematics"=>5}, "Unspecified"=>{"Unspecified"=>7}, "Arts and Humanities"=>{"Arts and Humanities"=>1}, "Design"=>{"Design"=>3}, "Engineering"=>{"Engineering"=>13}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>1}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>13}, "Computer Science"=>{"Computer Science"=>17}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>4}, "Nursing and Health Professions"=>{"Nursing and Health Professions"=>3}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>2}, "Veterinary Science and Veterinary Medicine"=>{"Veterinary Science and Veterinary Medicine"=>2}}, "reader_count_by_country"=>{"Belgium"=>1, "United States"=>6, "Luxembourg"=>1, "Japan"=>1, "Brazil"=>1, "United Kingdom"=>3, "Italy"=>5, "Malaysia"=>1, "France"=>3, "Portugal"=>1, "Germany"=>2, "Spain"=>2}, "group_count"=>10}CrossRef
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Scopus | Further Information
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- {"id"=>"210670483417468931", "text"=>"@IBMBigDataHLS then you may also like previous work such as http://t.co/jMvadqQm , http://t.co/qfKd4onO and http://t.co/IXvPJk1l", "created_at"=>"2012-06-07T09:52:11Z", "user"=>"ciro", "user_name"=>"Ciro Cattuto", "user_profile_image"=>"http://a0.twimg.com/profile_images/56071111/ciro_normal.jpg"}
- {"id"=>"213278369381494784", "text"=>"Another article on \"Measuring Face-to-Face Proximity and Mixing Patterns with Wearable Sensors\" in a ward. http://t.co/ZbbYQBN6 #analytics", "created_at"=>"2012-06-14T14:35:00Z", "user"=>"IBMBigDataHLS", "user_name"=>"IBM Big Data HLS", "user_profile_image"=>"http://a0.twimg.com/profile_images/1808658589/IBMBigDataHLS_normal.jpg"}
- {"id"=>"213296729775288322", "text"=>"Pediatric Ward: Measuring Face-to-Face Proximity and Mixing Patterns with Wearable Sensors http://t.co/2FcuysbB #bigdata", "created_at"=>"2012-06-14T15:47:57Z", "user"=>"stefina", "user_name"=>"Stefania Marcoli", "user_profile_image"=>"http://a0.twimg.com/profile_images/1562890003/04_normal.png"}
- {"id"=>"221220037489463296", "text"=>"@SwipeSense just in case we tried to use this technology to monitor hwashing http://t.co/W5tHQkg5 glad to share some ideas", "created_at"=>"2012-07-06T12:32:21Z", "user"=>"Dottor_T", "user_name"=>"Al", "user_profile_image"=>"http://a0.twimg.com/profile_images/1691714322/alberto_web_normal.jpg"}
- {"id"=>"268848576573104128", "text"=>"Nice reuse of #openaccess data from http://t.co/j5flIdN2 MT @jessiegruman: Who spreads pathogens in the hospital? http://t.co/5XVVbkFt", "created_at"=>"2012-11-14T22:51:10Z", "user"=>"PLOSONE", "user_name"=>"PLOS ONE", "user_profile_image"=>"http://a0.twimg.com/profile_images/2429958559/mzjl6as5u2m09r2erof6_normal.jpeg"}
- {"id"=>"269360763016208384", "text"=>"RT @PLOSONE: Nice reuse of #openaccess data from http://t.co/j5flIdN2 MT @jessiegruman: Who spreads pathogens in the hospital? http://t.co/5XVVbkFt", "created_at"=>"2012-11-16T08:46:25Z", "user"=>"openscience", "user_name"=>"Open Science Fedn", "user_profile_image"=>"http://a0.twimg.com/profile_images/1649279297/OSFxkcd150x150_normal.png"}
- {"id"=>"269375484603809792", "text"=>"RT @PLOSONE: Nice reuse of #openaccess data from http://t.co/j5flIdN2 MT @jessiegruman: Who spreads pathogens in the hospital? http://t.co/5XVVbkFt", "created_at"=>"2012-11-16T09:44:54Z", "user"=>"mishdalton", "user_name"=>"Mish ", "user_profile_image"=>"http://a0.twimg.com/profile_images/59143496/fox_normal.jpg"}
- {"id"=>"269377274032300032", "text"=>"RT @PLOSONE: Nice reuse of #openaccess data from http://t.co/j5flIdN2 MT @jessiegruman: Who spreads pathogens in the hospital? http://t.co/5XVVbkFt", "created_at"=>"2012-11-16T09:52:01Z", "user"=>"plinythemidlkid", "user_name"=>"Lee McLean", "user_profile_image"=>"http://a0.twimg.com/profile_images/2814093111/9605c0dbad5ab66639e8c72c3c6519ee_normal.jpeg"}
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- {"month"=>"5", "year"=>"2014", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"104"}
- {"month"=>"6", "year"=>"2014", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"63"}
- {"month"=>"7", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"71"}
- {"month"=>"8", "year"=>"2014", "pdf_views"=>"2", "xml_views"=>"2", "html_views"=>"61"}
- {"month"=>"9", "year"=>"2014", "pdf_views"=>"12", "xml_views"=>"1", "html_views"=>"57"}
- {"month"=>"10", "year"=>"2014", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"92"}
- {"month"=>"11", "year"=>"2014", "pdf_views"=>"14", "xml_views"=>"2", "html_views"=>"112"}
- {"month"=>"12", "year"=>"2014", "pdf_views"=>"7", "xml_views"=>"2", "html_views"=>"58"}
- {"month"=>"1", "year"=>"2015", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"78"}
- {"month"=>"2", "year"=>"2015", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"60"}
- {"month"=>"3", "year"=>"2015", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"72"}
- {"month"=>"4", "year"=>"2015", "pdf_views"=>"15", "xml_views"=>"1", "html_views"=>"86"}
- {"month"=>"5", "year"=>"2015", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"76"}
- {"month"=>"6", "year"=>"2015", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"58"}
- {"month"=>"7", "year"=>"2015", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"52"}
- {"month"=>"8", "year"=>"2015", "pdf_views"=>"4", "xml_views"=>"1", "html_views"=>"53"}
- {"month"=>"9", "year"=>"2015", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"81"}
- {"month"=>"10", "year"=>"2015", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"65"}
- {"month"=>"11", "year"=>"2015", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"64"}
- {"month"=>"12", "year"=>"2015", "pdf_views"=>"14", "xml_views"=>"0", "html_views"=>"89"}
- {"month"=>"1", "year"=>"2016", "pdf_views"=>"20", "xml_views"=>"0", "html_views"=>"80"}
- {"month"=>"2", "year"=>"2016", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"86"}
- {"month"=>"3", "year"=>"2016", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"83"}
- {"month"=>"4", "year"=>"2016", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"103"}
- {"month"=>"5", "year"=>"2016", "pdf_views"=>"22", "xml_views"=>"0", "html_views"=>"82"}
- {"month"=>"6", "year"=>"2016", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"59"}
- {"month"=>"7", "year"=>"2016", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"54"}
- {"month"=>"8", "year"=>"2016", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"46"}
- {"month"=>"9", "year"=>"2016", "pdf_views"=>"22", "xml_views"=>"0", "html_views"=>"104"}
- {"month"=>"10", "year"=>"2016", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"61"}
- {"month"=>"11", "year"=>"2016", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"68"}
- {"month"=>"12", "year"=>"2016", "pdf_views"=>"21", "xml_views"=>"0", "html_views"=>"72"}
- {"month"=>"1", "year"=>"2017", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"34"}
- {"month"=>"2", "year"=>"2017", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"52"}
- {"month"=>"3", "year"=>"2017", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"64"}
- {"month"=>"4", "year"=>"2017", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"43"}
- {"month"=>"5", "year"=>"2017", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"34"}
- {"month"=>"6", "year"=>"2017", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"56"}
- {"month"=>"7", "year"=>"2017", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"66"}
- {"month"=>"8", "year"=>"2017", "pdf_views"=>"5", "xml_views"=>"1", "html_views"=>"38"}
- {"month"=>"9", "year"=>"2017", "pdf_views"=>"10", "xml_views"=>"1", "html_views"=>"41"}
- {"month"=>"10", "year"=>"2017", "pdf_views"=>"10", "xml_views"=>"3", "html_views"=>"67"}
- {"month"=>"11", "year"=>"2017", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"58"}
- {"month"=>"12", "year"=>"2017", "pdf_views"=>"3", "xml_views"=>"3", "html_views"=>"39"}
- {"month"=>"1", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"38"}
- {"month"=>"2", "year"=>"2018", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"3", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"4", "year"=>"2018", "pdf_views"=>"11", "xml_views"=>"0", "html_views"=>"23"}
- {"month"=>"5", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"18"}
- {"month"=>"6", "year"=>"2018", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"31"}
- {"month"=>"7", "year"=>"2018", "pdf_views"=>"14", "xml_views"=>"3", "html_views"=>"18"}
- {"month"=>"8", "year"=>"2018", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"17"}
- {"month"=>"9", "year"=>"2018", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"20"}
- {"month"=>"10", "year"=>"2018", "pdf_views"=>"17", "xml_views"=>"1", "html_views"=>"26"}
- {"month"=>"11", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"22"}
- {"month"=>"12", "year"=>"2018", "pdf_views"=>"18", "xml_views"=>"1", "html_views"=>"17"}
- {"month"=>"1", "year"=>"2019", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"2", "year"=>"2019", "pdf_views"=>"14", "xml_views"=>"0", "html_views"=>"12"}
- {"month"=>"3", "year"=>"2019", "pdf_views"=>"24", "xml_views"=>"1", "html_views"=>"24"}
- {"month"=>"4", "year"=>"2019", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"5", "year"=>"2019", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"6", "year"=>"2019", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"10"}
- {"month"=>"7", "year"=>"2019", "pdf_views"=>"17", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"8", "year"=>"2019", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"18"}
- {"month"=>"9", "year"=>"2019", "pdf_views"=>"17", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"10", "year"=>"2019", "pdf_views"=>"16", "xml_views"=>"0", "html_views"=>"21"}
- {"month"=>"11", "year"=>"2019", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"14"}
- {"month"=>"12", "year"=>"2019", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"11"}
- {"month"=>"1", "year"=>"2020", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"2", "year"=>"2020", "pdf_views"=>"9", "xml_views"=>"2", "html_views"=>"8"}
- {"month"=>"3", "year"=>"2020", "pdf_views"=>"14", "xml_views"=>"1", "html_views"=>"27"}
- {"month"=>"4", "year"=>"2020", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"18"}
- {"month"=>"5", "year"=>"2020", "pdf_views"=>"40", "xml_views"=>"1", "html_views"=>"23"}
- {"month"=>"6", "year"=>"2020", "pdf_views"=>"15", "xml_views"=>"0", "html_views"=>"21"}
- {"month"=>"7", "year"=>"2020", "pdf_views"=>"28", "xml_views"=>"1", "html_views"=>"37"}
- {"month"=>"8", "year"=>"2020", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"24"}
- {"month"=>"9", "year"=>"2020", "pdf_views"=>"6", "xml_views"=>"0", "html_views"=>"21"}
- {"month"=>"10", "year"=>"2020", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"26"}
- {"month"=>"11", "year"=>"2020", "pdf_views"=>"21", "xml_views"=>"1", "html_views"=>"29"}
- {"month"=>"12", "year"=>"2020", "pdf_views"=>"12", "xml_views"=>"0", "html_views"=>"26"}
- {"month"=>"1", "year"=>"2021", "pdf_views"=>"0", "xml_views"=>"0", "html_views"=>"8"}
PMC Usage Stats | Further Information
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"12", "unique-ip"=>"14", "pdf"=>"4", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"12", "year"=>"2011", "pdf"=>"9", "unique-ip"=>"18", "figure"=>"4", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"13", "unique-ip"=>"12", "pdf"=>"6", "year"=>"2011", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"2"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"2", "year"=>"2011", "pdf"=>"0", "unique-ip"=>"2", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"7", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "unique-ip"=>"9", "pdf"=>"5", "year"=>"2011", "figure"=>"3", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"8", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "year"=>"2011", "pdf"=>"6", "unique-ip"=>"8", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"9", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"16", "unique-ip"=>"15", "pdf"=>"7", "year"=>"2011", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"10", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"12", "year"=>"2011", "pdf"=>"7", "unique-ip"=>"14", "figure"=>"7", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"11", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "unique-ip"=>"6", "pdf"=>"4", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"12", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"9", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"1", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"11", "unique-ip"=>"9", "pdf"=>"3", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"2", "scanned-page-browse"=>"0", "cited-by"=>"1", "abstract"=>"1", "full-text"=>"12", "year"=>"2012", "pdf"=>"13", "unique-ip"=>"15", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"15", "unique-ip"=>"15", "pdf"=>"6", "year"=>"2012", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"1"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "year"=>"2012", "pdf"=>"2", "unique-ip"=>"3", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"6", "unique-ip"=>"3", "pdf"=>"1", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "year"=>"2012", "pdf"=>"3", "unique-ip"=>"5", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"unique-ip"=>"9", "full-text"=>"7", "pdf"=>"3", "abstract"=>"3", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"7"}
- {"unique-ip"=>"3", "full-text"=>"3", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"8"}
- {"unique-ip"=>"15", "full-text"=>"15", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"7", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"9"}
- {"unique-ip"=>"8", "full-text"=>"8", "pdf"=>"2", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2012", "month"=>"10"}
- {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"12"}
- {"unique-ip"=>"14", "full-text"=>"15", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"1"}
- {"unique-ip"=>"8", "full-text"=>"6", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"3"}
- {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"2"}
- {"unique-ip"=>"8", "full-text"=>"7", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"4"}
- {"unique-ip"=>"18", "full-text"=>"17", "pdf"=>"8", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2012", "month"=>"11"}
- {"unique-ip"=>"8", "full-text"=>"8", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"4", "cited-by"=>"0", "year"=>"2013", "month"=>"5"}
- {"unique-ip"=>"5", "full-text"=>"4", "pdf"=>"4", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"6"}
- {"unique-ip"=>"6", "full-text"=>"5", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"5", "cited-by"=>"0", "year"=>"2013", "month"=>"7"}
- {"unique-ip"=>"7", "full-text"=>"8", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"8"}
- {"unique-ip"=>"4", "full-text"=>"2", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"4", "cited-by"=>"0", "year"=>"2013", "month"=>"9"}
- {"unique-ip"=>"2", "full-text"=>"3", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"10"}
- {"unique-ip"=>"9", "full-text"=>"7", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"11"}
- {"unique-ip"=>"8", "full-text"=>"9", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"12"}
- {"unique-ip"=>"6", "full-text"=>"7", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"1"}
- {"unique-ip"=>"4", "full-text"=>"4", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"2"}
- {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"3"}
- {"unique-ip"=>"15", "full-text"=>"14", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"5"}
- {"unique-ip"=>"21", "full-text"=>"16", "pdf"=>"7", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"6"}
- {"unique-ip"=>"12", "full-text"=>"16", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"4"}
- {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"4"}
- {"unique-ip"=>"5", "full-text"=>"6", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"5"}
- {"unique-ip"=>"6", "full-text"=>"7", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"6"}
- {"unique-ip"=>"8", "full-text"=>"10", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"7"}
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Relative Metric
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