1. Armed Forces Research Institute of Medical Sciences (AFRIMS), Bangkok, ThailandUnité de Médecine, Marseille, FranceHarvard School of Public Health, Boston, Massachusetts, USA
2. Armed Forces Research Institute of Medical Sciences (AFRIMS), Bangkok, Thailand
3. Kwai River Christian Hospital, Sangkhlaburi, Kanchanaburi, Thailand
4. Harvard School of Public Health, Boston, Massachusetts, USA
5. Unité de Médecine, Marseille, France