1. Instituto Nacional de Saúde, Ministry of Health, Maputo, Mozambique
2. Association of Schools and Programs of Public Health, Washington, DC
3. National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, Georgia
4. Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta, Georgia
5. Center for Global Health, Centers for Disease Control and Prevention, Maputo
6. Tete Provincial Health Directorate, Ministry of Health, Maputo
7. National Directorate for Public Health, Ministry of Health, Maputo
8. Central Hospital of Beira, Sofala, Mozambique
9. Forensic Chemistry Center, US Food and Drug Administration, Cincinnati, Ohio