[1] Univ Michigan, Dept Anesthesiol, Sch Med, Ann Arbor, MI 48109 USA
[2] Univ Michigan, Dept Anesthesiol, Michigan Med, 1H247 UH,1500 E Med Ctr Dr, Ann Arbor, MI 48109 USA
[3] Montefiore Med Ctr, Dept Anesthesiol, Bronx, NY 10467 USA
[4] Univ Michigan, Dept Otolaryngol, Michigan Med, Ann Arbor, MI 48109 USA
[5] Stanford Univ, Sch Med, Dept Otolaryngol Head & Neck Surg & Anesthesiol P, Stanford, CA 94305 USA
[6] Stanford Univ, Sch Med, Dept Anesthesiol Perioperat & Pain Med, Stanford, CA 94305 USA
[7] Univ Penn, Perelman Sch Med, Dept Anesthesiol & Crit Care, Philadelphia, PA 19104 USA
[8] Stanford Univ, Div Pediat Anesthesia, Sch Med, Stanford, CA 94305 USA
[9] Univ Miami, Dept Anesthesiol Perioperat Med & Pain Management, Miami, FL USA
[10] Oregon Hlth & Sci Univ, Dept Anesthesiol & Perioperat Med, Portland, OR 97201 USA
[11] UTHlth Houston, McGovern Med Sch, Dept Anesthesiol, Houston, TX USA
[12] Icahn Sch Med Mt Sinai, Dept Anesthesiol Perioperat & Pain Med, New York, NY 10029 USA
[13] Univ Mississippi, Med Ctr, Dept Anesthesiol, Jackson, MS 39216 USA
[14] Cleveland Clin, Inst Anesthesiol, Dept Gen Anesthesiol, Cleveland, OH 44106 USA
[15] Cleveland Clin, Inst Anesthesiol, Dept Outcomes Res, Cleveland, OH 44106 USA