Departments of Anesthesia (Yang, Baldry, McMillan), Medicine (Lipes, Dial, Schwartz, Laporta, Warshawsky, Hornstein, de Marchie, Jayaraman) and Surgery (Wong), and Division of Critical Care (Yang, Lipes, Dial, Schwartz, Laporta, Wong, Baldry, Warshawsky, McMillan, Hornstein, de Marchie, Jayaraman), Jewish General Hospital, McGill University, Montréal, Que.