Affiliation: | 1.Faculdade de Medicina da Bahia, Universidade Federal da Bahia (FAMEB-UFBA), Salvador, Brazil;2.Instituto Gonçalo Muniz, Fundação Oswaldo Cruz (IGM-FIOCRUZ), Salvador, Brazil;3.Department of Epidemiology of Microbial Diseases, School of Public Health, Yale University, New Haven, Connecticut |