1. Professor, Department of Anesthesia, Hôpital Notre-Dame du Centre hospitalier de l'Université de Montréal.
2. Associate Professor, Director of Department of Cardiology, Centre for Pulmonary Vascular Disease, Sir Mortimer B. Davis Jewish General Hospital, McGill University, Montreal, Quebec, Canada.
3. Anesthesia-Intensive Care Intern, Department of Anesthesia and Intensive Care Medicine, CHU de Liège, Liege, Belgium.