1. Department of Surgery, Alioune Diop University of Bambey
2. Department of Anaesthesiology, Cheikh Anta Diop University of Dakar, Cheikh Ahmadoul Khadim Hospital of Touba, Touba
3. Department of Surgery, Gaston Berger University, Saint-Louis Regional Hospital, Saint-Louis
4. Department of Surgery, Cheikh Anta Diop University of Dakar, Dalal Jamm Hospital, Dakar, Senegal