1. Department of Surgery, Mbouo Protestant Hospital, Bandjoun, Cameroon
2. Faculty of Medicine and Biomedical Sciences University of Yaounde I, Yaoundé, Cameroon
3. Department of Biological Sciences, Faculty of Medicine and Pharmaceutical Sciences, University of Douala, Douala, Cameroon
4. Department of Pathology, Yaounde Central Hospital, Yaounde, Cameroon
5. Faculty of Health Sciences University of Buea, Buea, Cameroon
6. Department of Radiology and Medical Imaging, Yaounde Gynaeco-Obstetrical and Paediatric Hospital, Yaounde, Cameroon
7. Department of Pathology, Yaounde Gynaeco-Obstetrical and Paediatric Hospital, Yaounde, Cameroon