1. University of Sherbrooke; Department of Anesthesiology, Faculty of Medicine; Sherbrooke Quebec Canada
2. University of Quebec in Abitibi-Temiscamingue; Teaching and Research Unit, Health Sciences; Rouyn-Noranda QC Canada
3. Faculty of Medicine, Laval University; Department of Anesthesiology and Critical Care; Quebec City QC Canada
4. Ann & Robert H. Lurie Children's Hospital of Chicago Research Center; Department of Pediatric Anesthesiology; 225 E. Chicago Ave Chicago IL USA 60611
5. Mayo Clinic College of Medicine; Department of Anesthesiology and Perioperative Medicine; 200 1st St SW Rochester MN USA 55901