1. Ministry of Health and Sanitation, Government of Sierra Leone (SL), Freetown 00232, Sierra Leone
2. Department of Nursing, School of Community Health Sciences, Bo Campus, Njala University, Bo 00232, Sierra Leone
3. Dalla Lana School of Public Health, University of Toronto, Toronto, ON M5T 3M7, Canada
4. Department of Public Health, Gamal Abdel Nasser University of Conakry, Conakry 00224, Guinea
5. Independent Researcher, 5000 Namur, Belgium
6. United States Centers for Disease Control and Prevention, Public Health Emergency Operations Center, Freetown 00232, Sierra Leone
7. Ministry of Defense, Republic of Sierra Leone Armed Forces, Freetown 00232, Sierra Leone
8. College of Medicine and Allied Health Sciences, University of Sierra Leone, Freetown 00232, Sierra Leone
9. World Health Organization Country Office, 21A-B Riverside Drive, Freetown 00232, Sierra Leone
10. UNICEF/UNDP/World Bank/WHO Special Programme for Research and Training in Tropical Diseases (TDR) at the World Health Organization (WHO), 1211 Geneva, Switzerland