1. Department of Critical Care Medicine, Faculty of Medicine and Health Sciences, McGill University, Montreal, Quebec, Canada;
2. Department of Anesthesia, Critical Care and Emergency, Fondazione Istituto di Ricovero e Cura a Carattere Scientifico Ca’ Granda Ospedale Maggiore Policlinico, Milan, Italy;
3. Faculty of Medicine, Prince of Songkla University, Hatyai, Songkhla, Thailand;
4. Guelph General Hospital, Guelph, Ontario, Canada; and
5. Department of Anesthesiology, Faculty of Medicine, Thammasat University, Pathumthani, Thailand