1 Department of Clinical Surgical Sciences, University of the West Indies, Eric Williams Medical Sciences Complex, Champs Fleurs, Trinidad and Tobago. pran1919@hotmail.com.
2 Department of Surgery, Eric Williams Medical Sciences Complex, Champs Fleurs, Trinidad and Tobago. pran1919@hotmail.com.
3 Department of Surgery, Eric Williams Medical Sciences Complex, Champs Fleurs, Trinidad and Tobago.
4 Department of Clinical Surgical Sciences, University of the West Indies, Eric Williams Medical Sciences Complex, Champs Fleurs, Trinidad and Tobago.