1. Amazonian Malaria Initiative/Amazon Network for the Surveillance of Antimalarial Drug Resistance, Ministry of Health of Brazil, Cruzeiro do Sul, Brazil.
2. Laboratory of Parasitic Diseases, Oswaldo Cruz Institute/Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil.
3. Department of Parasitology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil.
4. Center for Tropical Medicine, University of Brasília, Brasília, Brazil.