1. Teaching and Research Unit, Health Sciences; University of Quebec in Abitibi-Temiscamingue; Rouyn-Noranda Canada
2. Department of Anesthesiology and Critical Care, Faculty of Medicine; Laval University; Quebec City Canada
3. Department of Anesthesiology and Critical Care; Faculty of Medicine, Laval University; Quebec City Canada
4. Department of Anesthesiology and Perioperative Medicine; Mayo Clinic College of Medicine; Rochester MN USA