[1] Northeastern Univ, Dept Pharm Practice, Boston, MA 02115 USA
[2] Tufts Univ, Maine Med Ctr, Sch Med, Dept Pharm, Portland, ME USA
[3] Tufts Univ, Maine Med Ctr, Sch Med, Dept Crit Care, Portland, ME USA
[4] Univ Washington, Harborview Med Ctr, Dept Anesthesiol & Pain Med, Seattle, WA 98104 USA
[5] Tufts Univ, Maine Med Ctr, Sch Med, Inst Neurosci, Portland, ME USA
[6] Tufts Univ, Maine Med Ctr, Sch Med, Dept Crit Care Med, Portland, ME USA
[7] Univ Montreal, Fac Med, Crit Care Chair, Montreal, PQ H3C 3J7, Canada