1 Medical School of Tunis, Tunis El Manar University Tunisia, Honoris Medical Simulation Center Tunis, avenue Khaireddine Pacha, 1002 Tunis, Tunisia. Electronic address: cdziri@tn.honoris.net.
2 The Francophone Group for Enhanced Recovery after Surgery, GRACE, 63110 Beaumont, France; Service de chirurgie digestive, CHU de Clermont-Ferrand, 63000 Clermont-Ferrand, France.