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. Institute of Infectious Diseases and Research, Lugalo Military College of Medical Sciences (MCMS) and General Military Hospital (GMH), P.O. Box 60000 Dar es Salaam, Tanzania
4. Kilimanjaro Clinical Research Institute (KCRI), P.O. Box 2236 Moshi, Tanzania
5. Muhimbili Orthopedic Institute (MOI), P.O. Box 65474 Dar es Salaam, Tanzania
6. ZGT Academy, Hospital Group Twente, Almelo/Hengelo, Netherlands
7. Cardiff University, Cardiff, UK
8. Department of Radiology, Kilimanjaro Christian Medical Centre (KCMC), P.O. Box 3010 Moshi, Tanzania