[1] Duke Univ, Med Ctr, Dept Anesthesiol, Durham, NC 27710 USA
[2] Wake Forest Univ, Bowman Gray Sch Med, Dept Anesthesiol, Winston Salem, NC USA
[3] Wake Forest Univ, Bowman Gray Sch Med, Dept Publ Hlth Sci, Winston Salem, NC 27103 USA
[4] Univ Utah, Coll Pharm, Salt Lake City, UT 84112 USA
[5] Univ Washington, Dept Anesthesiol & Pain Med, Seattle, WA 98195 USA
[6] Stanford Univ, Dept Anesthesiol Perioperat & Pain Med, Palo Alto, CA 94304 USA
[7] UCL, Natl Inst Hlth Res NIHR Biomed Res Ctr, London, England
[8] Univ Alberta, Dept Anesthesiol & Pain Med, Edmonton, AB, Canada
[9] Stony Brook Sch Med, Dept Anesthesiol, Stony Brook, NY USA
[10] Duke Univ, Med Ctr, Div Adv Oncol & Gastrointestinal Surg, Durham, NC USA
[11] Vanderbilt Univ, Med Ctr, Dept Anesthesiol, Nashville, TN USA