1. Department of General Surgery, Kilimanjaro Christian Medical University College (KCMUCo), P.O. Box 2240 Moshi, Tanzania
2. Department of General Surgery, Kilimanjaro Christian Medical Centre (KCMC), P.O. Box 3010 Moshi, Tanzania
3. Military Hospital Mwanza, P. O Box 589 Mwanza, Tanzania
4. Muhimbili Orthopedic Institute (MOI), P.O. Box 65474 Dar es Salaam, Tanzania
5. Bugando Medical Centre, P. O Box 1370 Mwanza, Tanzania