1. aNational Center of Parasitology, Ministry of Health, Phnom Penh, Cambodia.
2. bInstitut Pasteur–Cambodia, 5 Bld Monivong, POB 983, Phnom Penh, Cambodia.
3. cKantha Bopha Foundation Hospital, Phnom Penh, Cambodia.
4. dNational Pediatric Hospital, Phnom Penh, Cambodia.
5. eTakeo Provincial Hospital, Takeo, Cambodia.
6. fKampong Cham Provincial Hospital, Kampong Cham, Cambodia.
7. gAngkor Hospital for Children, Siem Reap, Cambodia.
8. hBattambang Provincial Hospital, Battambang, Cambodia.