1. Ethox Centre, Big Data Institute, Nuffield Department of Population Health University of Oxford Oxford UK
2. Mahidol Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine Mahidol University Bangkok Thailand
3. Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine Research Building University of Oxford Oxford UK
4. FHI 360 Cambodia Office Phnom Penh Cambodia
5. HelpAge Cambodia Battambang Cambodia
6. Angkor Hospital for Children Siem Reap Cambodia
7. Cambodia Oxford Medical Research Unit Angkor Hospital for Children Siem Reap Cambodia