[1] Oxford Univ Clin Res Unit, Ho Chi Minh City, Vietnam
[2] Univ Med & Pharm, Ho Chi Minh City, Vietnam
[3] Natl Hosp Trop Dis, Hanoi, Vietnam
[4] Angkor Hosp Children, Siem Reap, Cambodia
[5] Univ Malaya, Med Ctr, Kuala Lumpur, Malaysia
[6] Hosp Nacl Ninos Benjamin Bloom, San Salvador, El Salvador
[7] Heidelberg Univ Hosp, Heidelberg, Germany
[8] Hosp Trop Dis, Ho Chi Minh City, Vietnam
[9] WHO, TDR, Geneva, Switzerland