?:authorAffiliation
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[\'Department of Statistics, Federal University of Ouro Preto, Ouro Preto, Brazil.\', \'Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, Massachusetts, USA.\', \'Division of Pharmacoepidemiology and Pharmacoeconomics, Department of Medicine, Harvard Medical School and Brigham and Women\'s Hospital, Boston, Massachusetts, USA.\']
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