[1] Evandro Chagas Inst, Parasitol Sect, Rodovia BR-316,Km 7 S-N, BR-67030300 Ananindeua, PA, Brazil
[2] Emilio Ribas Inst Infectol, Travel Med Div, Av Doutor Arnaldo 165, BR-01246900 Sao Paulo, Brazil
[3] Univ Sao Paulo, Dept Doencas Infecciosas, Fac Med, Av Dr Arnaldo 455, BR-01246903 Sao Paulo, SP, Brazil
[4] Fundacao Med Trop Dr Heitor Vieira Dourado, Manaus, Amazonas, Brazil
[5] Univ Estado Amazonas, Manaus, Amazonas, Brazil
[6] Inst Leonidas & Maria Deane Fiocruz Amazonia, Manaus, Amazonas, Brazil
[7] Fed Univ Para, Disciplina Doencas Infecciosas & Parasitarias, Fac Med, Av Generalissimo Deodoro,01 Umarizal, BR-66050160 Belem, Para, Brazil