1. Attending Surgeon, Department of Surgery, Queen Elizabeth Hospital, Bridgetown, Barbados
2. Surgical Registrar, Department of Surgery, Queen Elizabeth Hospital, Bridgetown, Barbados
3. Administrative Researcher, Department of Surgery, Queen Elizabeth Hospital, Bridgetown, Barbados
4. House Officer, Department of Surgery, Queen Elizabeth Hospital, Bridgetown, Barbados
5. Assistant Professor, Department of Surgery, South Valley University, Qena, Egypt
6. Professor of Surgery, Department of Surgery, Port of Spain General Hospital, Port of Spain, Trinidad and Tobago