[1] Taipei Med Univ, Coll Publ Hlth & Nutr, Master Program Global Hlth & Dev, 250 Wu Hsing St, Taipei 110, Taiwan
[2] Aix Marseille Univ, UMR D 190, Unite Virus Emergents, Inst Rech Dev,Ecole Hautes Etud Sante Publ, 27 Bd Jean Moulin, F-13005 Marseille 05, France
[3] CIRAD ES, UPR AGIRs, F-34398 Montpellier, France
[4] Kasetsart Univ, Fac Vet Med, Bangkok, Thailand
[5] Fdn Merieux, 73 Blvd Monivong, Phnom Penh, Cambodia
[6] Inst Pasteur Cambodge, Epidemiol & Publ Hlth Unit, BP 983, Phnom Penh, Cambodia
[7] Univ Oxford, Hosp Trop Dis, Clin Res Unit, Wellcome Trust Major Overseas Programme, 764 Vo Van Kiet,Dist 5, Ho Chi Minh City, Vietnam
[8] Univ Oxford, Nuffield Dept Clin Med, Ctr Trop Med, Old Rd Campus, Oxford OX3 7BN, England
[9] Univ Hlth Sci, 73 Blvd Monivong, Phnom Penh, Cambodia
[10] Fauna & Flora Int, POB 1380,19,St 360,Boeng Keng Kang 1, Phnom Penh 12000, Cambodia
[11] Aix Marseille Univ, UMR URMITE, INSERM, Inst Rech Dev,CNRS,U1095, 27 Bd Jean Moulin, F-13385 Marseille 05, France
[12] Univ Toulouse 3, CNRS, UMR 5174, Univ Toulouse,Lab Evolut & Diversite Biol, 118 Route Narbonne, F-31062 Toulouse 9, France
[13] Univ Montpellier 3, UMR GRED, IRD, 911 Av Agropolis,BP 64501, F-34394 Montpellier 5, France
[14] Royal Univ Agr, Ecoland Res Ctr, Fac Agr Econ & Rural Dev Dangkor Dist, Phnom Penh, Cambodia
[15] Natl Univ Singapore, Saw Swee Hock Sch Publ Hlth, Singapore 117548, Singapore
[16] Univ Manchester, Fac Life Sci, Manchester M13 9PL, Lancs, England
[17] Ctr Infectiol Christophe Merieux Laos, CNRS, Viangchan, Laos
[18] Mahidol Univ, Dept Helminthol, Fac Trop Med, Bangkok 10700, Thailand