1. Department of Surgery, Division of Pediatric Surgery, Saint Justine Hospital, Montreal, Quebec, Canada
2. Department of Surgery, Division of General Surgery, Saint Justine Hospital, Montreal, Quebec, Canada
3. Department of Anesthesiology, Saint Justine Hospital, Montreal, Quebec, Canada
4. Department of Surgery, Division of Plastic Surgery, Saint Justine Hospital, Montreal, Quebec, Canada
5. Department of Surgery, Division of Vascular Surgery, Hôpital Maisonneuve-Rosemont, Montreal, Quebec, Canada