1. Department of Family Medicine, Kapsowar Mission Hospital, Kapsowar, Kenya;
2. Department of Family and Community Medicine, University of Arizona, Tucson, Arizona;
3. Department of Family Medicine, Kabarak University, Nakuru, Kenya;
4. Department of Anesthesia, Kapsowar Mission Hospital, Kapsowar, Kenya;
5. Faculty of Medicine, University of Southampton, Southampton, United Kingdom;
6. Department of Family Medicine, Stanton Territorial Hospital, Yellowknife, NT, Canada