[1] Minist Saude, Secretaria Vigilancia Saude, Brasilia, DF, Brazil
[2] Univ Brasilia, Programa Posgrad Saude Colet, Brasilia, DF, Brazil
[3] Fundacao Med Trop Doutor Heitor Vieira Dourao, Manaus, Amazonas, Brazil
[4] AIDS Healthcare Fdn, Los Angeles, CA USA
[5] Univ Fed Fluminense, Ctr Ciencias Med, Niteroi, RJ, Brazil
[6] Univ Fed Ceara, Fac Med, Fortaleza, Ceara, Brazil
[7] Univ Fed Espirito Santo, Vitoria, Brazil