1. Act to End NTDs East, RTI International, Addis Ababa, Ethiopia
2. Health Promotion and Disease Prevention Core Process, Benishangul-Gumuz Regional Health Bureau, Ethiopia
3. Task Force for Global Health, Atlanta, Georgia, USA
4. Act to End NTDs East, RTI International, Washington, DC, USA
5. Clinical Research Department, London School of Hygiene & Tropical Medicine, London, UK
6. Ambo Hospital, Ambo, Ethiopia
7. Neglected Tropical Diseases Team, Disease Prevention and Control Directorate, Ministry of Health, Ethiopia
8. Sightsavers, Haywards Heath, UK
9. Asfaw Wondimu Health Research and Consultancy, Addis Ababa, Ethiopia
10. Sightsavers, Addis Ababa, Ethiopia
11. Department of Control of Neglected Tropical Diseases, World Health Organization, Geneva, Switzerland