[1] McGill Univ Hlth Ctr, Dept Pharm, Montreal, PQ, Canada
[2] McGill Univ Hlth Ctr, Dept Anesthesiol, Montreal, PQ, Canada
[3] Prince Songkla Univ, Fac Med, Div Internal Med, Crit Care Med Unit, Hat Yai, Thailand
[4] McGill Univ, Dept Crit Care Med, Montreal, PQ, Canada