D Yu1, S Patel2, A Caycedo-Marulanda3. 1. Department of Surgery, Queen's University, Kingston General Hospital, 76 Stuart Street, Kingston, ON, K7L 2V7, Canada. 2. Department of Surgery, Health Sciences North, Sudbury, ON, Canada. 3. Department of Surgery, Queen's University, Kingston General Hospital, 76 Stuart Street, Kingston, ON, K7L 2V7, Canada. caycedomd@gmail.com.