1. Division of Global Health Protection, Center for Global Health, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
2. FOCUS 1000, Freetown, Sierra Leone
3. Santé Plus, Conakry, Guinea
4. Independent Consultant, Seattle, WA 98102, USA
5. Ministry of Health and Sanitation, Freetown, Sierra Leone
6. Ministry of Health, Conakry, Guinea