1 Clinical Trial in Malaria Program, Evandro Chagas Institute, Ministry of Health of Brazil and Ex-Assistant Doctor of Travel Medicine Division Emilio Ribas Institute Infectious Diseases, São Paulo, Brazil. Electronic address: tania.chaves@uol.com.br.
2 Travel Medicine Division Emilio Ribas Institute Infectious Diseases, São Paulo, Brazil.
3 Department of Infectious and Parasitic Diseases of the Faculdade de Medicina da Universidade de São Paulo (FMUSP), Brazil.