Cooperation, Norms, and Revolutions: A Unified Game-Theoretical Approach
- Publication Date
- October 12, 2010
- Journal
- PLOS ONE
- Authors
- Dirk Helbing & Anders Johansson
- Volume
- 5
- Issue
- 10
- Pages
- e12530
- DOI
- https://dx.plos.org/10.1371/journal.pone.0012530
- Publisher URL
- http://journals.plos.org/plosone/article?id=10.1371%2Fjournal.pone.0012530
- Scopus
- 78149447898
- Mendeley
- http://www.mendeley.com/research/cooperation-norms-revolutions-unified-gametheoretical-approach
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Mendeley | Further Information
{"title"=>"Cooperation, norms, and revolutions: A unified game-theoretical approach", "type"=>"journal", "authors"=>[{"first_name"=>"Dirk", "last_name"=>"Helbing", "scopus_author_id"=>"7005232363"}, {"first_name"=>"Anders", "last_name"=>"Johansson", "scopus_author_id"=>"27170517400"}], "year"=>2010, "source"=>"PLoS ONE", "identifiers"=>{"scopus"=>"2-s2.0-78149447898", "sgr"=>"78149447898", "issn"=>"19326203", "arxiv"=>"1010.2521", "doi"=>"10.1371/journal.pone.0012530", "pmid"=>"20967256", "isbn"=>"19326203", "pui"=>"359930967"}, "id"=>"59e32144-2cbf-36fb-99ea-cab63129cd92", "abstract"=>"BACKGROUND: Cooperation is of utmost importance to society as a whole, but is often challenged by individual self-interests. While game theory has studied this problem extensively, there is little work on interactions within and across groups with different preferences or beliefs. Yet, people from different social or cultural backgrounds often meet and interact. This can yield conflict, since behavior that is considered cooperative by one population might be perceived as non-cooperative from the viewpoint of another. METHODOLOGY AND PRINCIPAL FINDINGS: To understand the dynamics and outcome of the competitive interactions within and between groups, we study game-dynamical replicator equations for multiple populations with incompatible interests and different power (be this due to different population sizes, material resources, social capital, or other factors). These equations allow us to address various important questions: For example, can cooperation in the prisoner's dilemma be promoted, when two interacting groups have different preferences? Under what conditions can costly punishment, or other mechanisms, foster the evolution of norms? When does cooperation fail, leading to antagonistic behavior, conflict, or even revolutions? And what incentives are needed to reach peaceful agreements between groups with conflicting interests? CONCLUSIONS AND SIGNIFICANCE: Our detailed quantitative analysis reveals a large variety of interesting results, which are relevant for society, law and economics, and have implications for the evolution of language and culture as well.", "link"=>"http://www.mendeley.com/research/cooperation-norms-revolutions-unified-gametheoretical-approach", "reader_count"=>130, "reader_count_by_academic_status"=>{"Unspecified"=>4, "Professor > Associate Professor"=>11, "Student > Doctoral Student"=>10, "Researcher"=>25, "Student > Ph. D. Student"=>36, "Student > Postgraduate"=>5, "Student > Master"=>14, "Other"=>8, "Student > Bachelor"=>5, "Lecturer"=>2, "Lecturer > Senior Lecturer"=>4, "Professor"=>6}, "reader_count_by_user_role"=>{"Unspecified"=>4, "Professor > Associate Professor"=>11, "Student > Doctoral Student"=>10, "Researcher"=>25, "Student > Ph. D. Student"=>36, "Student > Postgraduate"=>5, "Student > Master"=>14, "Other"=>8, "Student > Bachelor"=>5, "Lecturer"=>2, "Lecturer > Senior Lecturer"=>4, "Professor"=>6}, "reader_count_by_subject_area"=>{"Unspecified"=>10, "Agricultural and Biological Sciences"=>14, "Arts and Humanities"=>5, "Business, Management and Accounting"=>4, "Chemistry"=>1, "Computer Science"=>16, "Earth and Planetary Sciences"=>1, "Economics, Econometrics and Finance"=>5, "Engineering"=>3, "Environmental Science"=>3, "Biochemistry, Genetics and Molecular Biology"=>1, "Mathematics"=>9, "Medicine and Dentistry"=>5, "Neuroscience"=>1, "Physics and Astronomy"=>14, "Psychology"=>8, "Social Sciences"=>30}, "reader_count_by_subdiscipline"=>{"Medicine and Dentistry"=>{"Medicine and Dentistry"=>5}, "Social Sciences"=>{"Social Sciences"=>30}, "Physics and Astronomy"=>{"Physics and Astronomy"=>14}, "Psychology"=>{"Psychology"=>8}, "Mathematics"=>{"Mathematics"=>9}, "Unspecified"=>{"Unspecified"=>10}, "Environmental Science"=>{"Environmental Science"=>3}, "Arts and Humanities"=>{"Arts and Humanities"=>5}, "Engineering"=>{"Engineering"=>3}, "Chemistry"=>{"Chemistry"=>1}, "Neuroscience"=>{"Neuroscience"=>1}, "Earth and Planetary Sciences"=>{"Earth and Planetary Sciences"=>1}, "Economics, Econometrics and Finance"=>{"Economics, Econometrics and Finance"=>5}, "Agricultural and Biological Sciences"=>{"Agricultural and Biological Sciences"=>14}, "Computer Science"=>{"Computer Science"=>16}, "Business, Management and Accounting"=>{"Business, Management and Accounting"=>4}, "Biochemistry, Genetics and Molecular Biology"=>{"Biochemistry, Genetics and Molecular Biology"=>1}}, "reader_count_by_country"=>{"Republic of Singapore"=>1, "Hungary"=>1, "United States"=>5, "Japan"=>1, "United Kingdom"=>3, "Portugal"=>2, "Switzerland"=>1, "Spain"=>1, "Netherlands"=>2, "Belgium"=>1, "Luxembourg"=>1, "China"=>1, "Denmark"=>2, "Brazil"=>1, "Poland"=>1, "Italy"=>2, "Mexico"=>1, "France"=>1, "Estonia"=>1}, "group_count"=>3}CrossRef
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Scopus | Further Information
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- {"id"=>"221084265385967616", "text"=>"This ActionButton article led me to an honest-to-god academic paper with footnotes & an abstract: http://t.co/sjGInlKl", "created_at"=>"2012-07-06T03:32:51Z", "user"=>"ninjasuperspy", "user_name"=>"Brooks Sligh", "user_profile_image"=>"http://a0.twimg.com/profile_images/1769154504/FO3_normal.png"}
- {"id"=>"397901919735148544", "text"=>"論文中に動画が入っとるw こういうの見ると基本HTMLでいい気がする→PLOS ONE Cooperation, Norms, and Revolutions: A Unified Game-Theoretical Approach http://t.co/VlwX5VJIym", "created_at"=>"2013-11-06T01:43:04Z", "user"=>"mtknnktm", "user_name"=>"takano", "user_profile_image"=>"http://pbs.twimg.com/profile_images/1248267798/Image042_normal.jpg"}
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- {"id"=>"599818993915056128", "text"=>"Cooperation, Norms, and Revolutions: A Unified Game-Theoretical Approach\nhttp://t.co/CXom3ClcXu", "created_at"=>"2015-05-17T06:09:26Z", "user"=>"FuturICT", "user_name"=>"FuturICT", "user_profile_image"=>"http://pbs.twimg.com/profile_images/593417639764041729/w8rJJRQd_normal.jpg"}
- {"id"=>"599819489690165248", "text"=>"RT @FuturICT: Cooperation, Norms, and Revolutions: A Unified Game-Theoretical Approach\nhttp://t.co/CXom3ClcXu", "created_at"=>"2015-05-17T06:11:25Z", "user"=>"EskoKilpi", "user_name"=>"Esko Kilpi", "user_profile_image"=>"http://pbs.twimg.com/profile_images/459413875561988096/5fHOv9fW_normal.jpeg"}
- {"id"=>"599949270205075456", "text"=>"A nice overview of game theory by @DirkHelbing exploring how cooperation arises in social systems... http://t.co/NEI0TZXoI0", "created_at"=>"2015-05-17T14:47:07Z", "user"=>"cognitivepolicy", "user_name"=>"Joe Brewer", "user_profile_image"=>"http://pbs.twimg.com/profile_images/459359789500223488/6DXDb5gn_normal.jpeg"}
- {"id"=>"599952209728524288", "text"=>"RT @cognitivepolicy: A nice overview of game theory by @DirkHelbing exploring how cooperation arises in social systems... http://t.co/NEI0T…", "created_at"=>"2015-05-17T14:58:48Z", "user"=>"MarcMangel1", "user_name"=>"Marc Mangel", "user_profile_image"=>"http://pbs.twimg.com/profile_images/425830074818891776/UnWS8HTN_normal.jpeg"}
- {"id"=>"600262435971424256", "text"=>"RT @cognitivepolicy: A nice overview of game theory by @DirkHelbing exploring how cooperation arises in social systems... http://t.co/NEI0T…", "created_at"=>"2015-05-18T11:31:31Z", "user"=>"FuturICT", "user_name"=>"FuturICT", "user_profile_image"=>"http://pbs.twimg.com/profile_images/593417639764041729/w8rJJRQd_normal.jpg"}
Wikipedia | Further Information
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- {"month"=>"7", "year"=>"2017", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"30"}
- {"month"=>"8", "year"=>"2017", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"39"}
- {"month"=>"9", "year"=>"2017", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"32"}
- {"month"=>"10", "year"=>"2017", "pdf_views"=>"7", "xml_views"=>"1", "html_views"=>"44"}
- {"month"=>"11", "year"=>"2017", "pdf_views"=>"14", "xml_views"=>"0", "html_views"=>"47"}
- {"month"=>"12", "year"=>"2017", "pdf_views"=>"10", "xml_views"=>"1", "html_views"=>"45"}
- {"month"=>"1", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"20"}
- {"month"=>"2", "year"=>"2018", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"3", "year"=>"2018", "pdf_views"=>"14", "xml_views"=>"0", "html_views"=>"24"}
- {"month"=>"4", "year"=>"2018", "pdf_views"=>"20", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"5", "year"=>"2018", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"18"}
- {"month"=>"6", "year"=>"2018", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"8"}
- {"month"=>"7", "year"=>"2018", "pdf_views"=>"9", "xml_views"=>"3", "html_views"=>"11"}
- {"month"=>"8", "year"=>"2018", "pdf_views"=>"21", "xml_views"=>"1", "html_views"=>"18"}
- {"month"=>"9", "year"=>"2018", "pdf_views"=>"25", "xml_views"=>"0", "html_views"=>"26"}
- {"month"=>"10", "year"=>"2018", "pdf_views"=>"6", "xml_views"=>"2", "html_views"=>"6"}
- {"month"=>"11", "year"=>"2018", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"6"}
- {"month"=>"12", "year"=>"2018", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"19"}
- {"month"=>"1", "year"=>"2019", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"11"}
- {"month"=>"2", "year"=>"2019", "pdf_views"=>"21", "xml_views"=>"1", "html_views"=>"39"}
- {"month"=>"3", "year"=>"2019", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"15"}
- {"month"=>"4", "year"=>"2019", "pdf_views"=>"24", "xml_views"=>"0", "html_views"=>"23"}
- {"month"=>"5", "year"=>"2019", "pdf_views"=>"22", "xml_views"=>"0", "html_views"=>"31"}
- {"month"=>"6", "year"=>"2019", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"23"}
- {"month"=>"7", "year"=>"2019", "pdf_views"=>"12", "xml_views"=>"1", "html_views"=>"13"}
- {"month"=>"8", "year"=>"2019", "pdf_views"=>"13", "xml_views"=>"0", "html_views"=>"29"}
- {"month"=>"9", "year"=>"2019", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"16"}
- {"month"=>"10", "year"=>"2019", "pdf_views"=>"7", "xml_views"=>"0", "html_views"=>"24"}
- {"month"=>"11", "year"=>"2019", "pdf_views"=>"9", "xml_views"=>"0", "html_views"=>"16"}
- {"month"=>"12", "year"=>"2019", "pdf_views"=>"19", "xml_views"=>"3", "html_views"=>"14"}
- {"month"=>"1", "year"=>"2020", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"15"}
- {"month"=>"2", "year"=>"2020", "pdf_views"=>"9", "xml_views"=>"1", "html_views"=>"19"}
- {"month"=>"3", "year"=>"2020", "pdf_views"=>"14", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"4", "year"=>"2020", "pdf_views"=>"22", "xml_views"=>"0", "html_views"=>"18"}
- {"month"=>"5", "year"=>"2020", "pdf_views"=>"13", "xml_views"=>"1", "html_views"=>"18"}
- {"month"=>"6", "year"=>"2020", "pdf_views"=>"5", "xml_views"=>"0", "html_views"=>"10"}
- {"month"=>"7", "year"=>"2020", "pdf_views"=>"4", "xml_views"=>"0", "html_views"=>"10"}
- {"month"=>"8", "year"=>"2020", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"12"}
- {"month"=>"9", "year"=>"2020", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"15"}
- {"month"=>"10", "year"=>"2020", "pdf_views"=>"11", "xml_views"=>"1", "html_views"=>"25"}
- {"month"=>"11", "year"=>"2020", "pdf_views"=>"10", "xml_views"=>"1", "html_views"=>"16"}
- {"month"=>"12", "year"=>"2020", "pdf_views"=>"8", "xml_views"=>"0", "html_views"=>"12"}
- {"month"=>"1", "year"=>"2021", "pdf_views"=>"10", "xml_views"=>"0", "html_views"=>"17"}
- {"month"=>"2", "year"=>"2021", "pdf_views"=>"8", "xml_views"=>"1", "html_views"=>"14"}
- {"month"=>"3", "year"=>"2021", "pdf_views"=>"3", "xml_views"=>"0", "html_views"=>"1"}
PMC Usage Stats
- {"month"=>"10", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"13", "year"=>"2010", "pdf"=>"8", "unique-ip"=>"14", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"11", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"32", "unique-ip"=>"37", "pdf"=>"27", "year"=>"2010", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"12", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"13", "year"=>"2010", "pdf"=>"11", "unique-ip"=>"13", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"1", "cited-by"=>"0", "abstract"=>"3", "full-text"=>"7", "unique-ip"=>"9", "pdf"=>"2", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"2", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"13", "year"=>"2011", "pdf"=>"4", "unique-ip"=>"13", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"36", "unique-ip"=>"29", "pdf"=>"12", "year"=>"2011", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"41", "year"=>"2011", "pdf"=>"2", "unique-ip"=>"31", "figure"=>"2", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"10", "unique-ip"=>"8", "pdf"=>"7", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"2", "full-text"=>"11", "year"=>"2011", "pdf"=>"3", "unique-ip"=>"10", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"7", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"2", "unique-ip"=>"4", "pdf"=>"2", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"8", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"4", "year"=>"2011", "pdf"=>"2", "unique-ip"=>"4", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"9", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"3", "unique-ip"=>"3", "pdf"=>"1", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"10", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"7", "year"=>"2011", "pdf"=>"2", "unique-ip"=>"7", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"11", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"9", "unique-ip"=>"11", "pdf"=>"4", "year"=>"2011", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"12", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"0", "year"=>"2011", "pdf"=>"0", "unique-ip"=>"1", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"1", "cited-by"=>"1", "abstract"=>"1", "full-text"=>"12", "unique-ip"=>"12", "pdf"=>"2", "year"=>"2012", "figure"=>"1", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"2", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"1", "full-text"=>"7", "year"=>"2012", "pdf"=>"1", "unique-ip"=>"8", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"3", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"12", "unique-ip"=>"13", "pdf"=>"2", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"4", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"5", "year"=>"2012", "pdf"=>"1", "unique-ip"=>"6", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"scanned-page-browse"=>"0", "month"=>"5", "cited-by"=>"0", "abstract"=>"3", "full-text"=>"8", "unique-ip"=>"11", "pdf"=>"5", "year"=>"2012", "figure"=>"0", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"month"=>"6", "scanned-page-browse"=>"0", "cited-by"=>"0", "abstract"=>"0", "full-text"=>"11", "year"=>"2012", "pdf"=>"0", "unique-ip"=>"5", "figure"=>"5", "scanned-summary"=>"0", "supp-data"=>"0"}
- {"unique-ip"=>"15", "full-text"=>"17", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"7"}
- {"unique-ip"=>"10", "full-text"=>"12", "pdf"=>"0", "abstract"=>"2", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"8"}
- {"unique-ip"=>"8", "full-text"=>"8", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"1", "cited-by"=>"0", "year"=>"2012", "month"=>"9"}
- {"unique-ip"=>"8", "full-text"=>"7", "pdf"=>"3", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"10"}
- {"unique-ip"=>"5", "full-text"=>"3", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2012", "month"=>"12"}
- {"unique-ip"=>"8", "full-text"=>"6", "pdf"=>"1", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"1"}
- {"unique-ip"=>"6", "full-text"=>"8", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"3"}
- {"unique-ip"=>"10", "full-text"=>"10", "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"=>"9", "full-text"=>"10", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"4"}
- {"unique-ip"=>"9", "full-text"=>"10", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"3", "supp-data"=>"9", "cited-by"=>"0", "year"=>"2012", "month"=>"11"}
- {"unique-ip"=>"7", "full-text"=>"7", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"8", "cited-by"=>"0", "year"=>"2013", "month"=>"5"}
- {"unique-ip"=>"8", "full-text"=>"6", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"6"}
- {"unique-ip"=>"8", "full-text"=>"13", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"5", "cited-by"=>"0", "year"=>"2013", "month"=>"8"}
- {"unique-ip"=>"4", "full-text"=>"3", "pdf"=>"2", "abstract"=>"1", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"9"}
- {"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"=>"2013", "month"=>"10"}
- {"unique-ip"=>"4", "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"=>"11"}
- {"unique-ip"=>"6", "full-text"=>"10", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2013", "month"=>"12"}
- {"unique-ip"=>"2", "full-text"=>"1", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"1"}
- {"unique-ip"=>"5", "full-text"=>"5", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"2"}
- {"unique-ip"=>"6", "full-text"=>"6", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"3"}
- {"unique-ip"=>"5", "full-text"=>"4", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"5"}
- {"unique-ip"=>"1", "full-text"=>"1", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"6"}
- {"unique-ip"=>"9", "full-text"=>"3", "pdf"=>"4", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"2", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"4"}
- {"unique-ip"=>"13", "full-text"=>"11", "pdf"=>"5", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"4"}
- {"unique-ip"=>"12", "full-text"=>"15", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"5"}
- {"unique-ip"=>"11", "full-text"=>"10", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"6"}
- {"unique-ip"=>"16", "full-text"=>"16", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"7"}
- {"unique-ip"=>"12", "full-text"=>"15", "pdf"=>"0", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"3", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"3"}
- {"unique-ip"=>"31", "full-text"=>"36", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"2"}
- {"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"=>"2015", "month"=>"8"}
- {"unique-ip"=>"13", "full-text"=>"16", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"9"}
- {"unique-ip"=>"7", "full-text"=>"6", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2015", "month"=>"10"}
- {"unique-ip"=>"8", "full-text"=>"13", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"7"}
- {"unique-ip"=>"3", "full-text"=>"1", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"8"}
- {"unique-ip"=>"8", "full-text"=>"8", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"9"}
- {"unique-ip"=>"5", "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"=>"10"}
- {"unique-ip"=>"5", "full-text"=>"6", "pdf"=>"3", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2016", "month"=>"2"}
- {"unique-ip"=>"8", "full-text"=>"8", "pdf"=>"1", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"1", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"11"}
- {"unique-ip"=>"7", "full-text"=>"5", "pdf"=>"2", "abstract"=>"0", "scanned-summary"=>"0", "scanned-page-browse"=>"0", "figure"=>"0", "supp-data"=>"0", "cited-by"=>"0", "year"=>"2014", "month"=>"12"}
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