1. Department of Surgery, University of Alberta, 8440-112 Street, Edmonton, AB, Canada T6G 2B7
2. Center for the Advancement of Minimally Invasive Surgery (CAMIS), Royal Alexandra Hospital, Room 405 Community Services Center, 10240 Kingsway, Edmonton, AB, Canada T5H 3V9
3. Department of Surgery, Hopital Du Sacre Coeur, 191-315 Place D'Youville, Montreal, QC, Canada H2Y 0A4