Affiliation: | Omar A Mownah, Zaed Z Hamady, Mark J Rogers, Department of Colorectal Surgery, Pinderfields General Hospital, Wakefield, West Yorkshire, WF1 4DG, United Kingdom;Syed G Shah, Deven H Vani, Department of Gastroenterology, Pinderfields General Hospital, Wakefield, West Yorkshire, WF1 4DG, United Kingdom |