[1] Natl Ctr Global Hlth & Med, Dept Trop Med & Malaria, Res Inst, Tokyo, Japan
[2] SATREPS Project JICA AMED Parasit Dis, Viangchan, Laos
[3] Minist Hlth, Parasitol Lab, Inst Pasteur Lao PDR, Viangchan, Laos
[4] Minist Hlth, Natl Inst Publ Hlth, Viangchan, Laos
[5] Dokkyo Med Univ, Dept Trop Med & Parasitol, Mibu, Tochigi, Japan
[6] Minist Hlth, Ctr Malariol Parasitol & Entomol, Viangchan, Laos
[7] Minist Hlth, Inst Pasteur Lao PDR, Viangchan, Laos