1. Department of General Surgery, Kilimanjaro Christian Medical Center, P.O. Box 3010, Moshi, Tanzania
2. Faculty of Medicine, Kilimanjaro Christian Medical University College, P.O. Box 2240, Moshi, Tanzania
3. Department of Pathology, Kilimanjaro Christian Medical Center, P.O. Box 3010, Moshi, Tanzania
4. Department of Radiology, Kilimanjaro Christian Medical Center, P.O. Box 3010, Moshi, Tanzania