KISTI Institutional Repository: Scientific authorships and collaboration network analysis on Chagas disease: papers indexed in PubMed (1940-2009)

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dc.identifier.uri: http://www.ndsl.kr/ndsl/search/detail/article/articleSearchResultDetail.do?cn=NART73208387

dc.description.abstract: Chagasdiseaseisachronic,tropical,parasiticdisease,endemicthroughoutLatinAmerica.Thelarge-scalemigrationofpopulationshasincreasedthegeographicdistributionofthediseaseandcaseshavebeenobservedinmanyothercountriesaroundtheworld.Tostrengthenthecriticalmassofknowledgegeneratedindifferentcountries,itisessentialtopromotecooperativeandtranslationalresearchinitiatives.WeanalyzedauthorshipofscientificdocumentsonChagasdiseaseindexedintheMedlinedatabasefrom1940to2009.Bibliometricswasusedtoanalyzetheevolutionofcollaborationpatterns.ASocialNetworkAnalysiswascarriedouttoidentifythemainresearchgroupsintheareabyapplyingclusteringmethods.Wethenanalyzed13,989papersproducedby21,350authors.Collaborationamongauthorsdramaticallyincreasedoverthestudyperiod,reachinganaverageof6.2authorsperpaperinthelastfive-yearperiod.Applyingathresholdofcollaborationoffiveormorepaperssignedinco-authorship,weidentified148consolidatedresearchgroupsmadeupof1,750authors.TheChagasdiseasenetworkidentifiedconstitutesasmallworld,characterizedbyahighdegreeofclusteringandanotablyhighnumberofBrazilianresearchers.