[1] Icahn Sch Med Mt Sinai, Dept Anesthesiol Perioperat & Pain Med, 1 Gustave L Levy Pl,POB 1010, New York, NY 10029 USA
[2] Hosp Special Surg, Dept Anesthesiol, 535 E 70th St, New York, NY 10021 USA
[3] Univ Texas Southwestern Med Ctr Dallas, Dept Anesthesiol & Pain Management, Dallas, TX 75390 USA
[4] Greater Los Angeles VA Healthcare Syst, Dept Anesthesiol, Los Angeles, CA USA
[5] Mayo Clin, Dept Anesthesiol & Perioperat Med, Jacksonville, FL 32224 USA
[6] Mayo Clin, Dept Anesthesiol & Perioperat Med, Rochester, MN USA
[7] Christiana Care Hlth Syst, Dept Anesthesiol, Newark, NJ USA
[8] Univ Penn, Perelman Sch Med, Dept Anesthesiol & Crit Care, Philadelphia, PA 19104 USA
[9] Univ Washington, Sch Med, Dept Anesthesiol & Pain Med, Seattle, WA USA
[10] Ohio State Univ, Dept Anesthesiol, Columbus, OH 43210 USA
[11] New York Med Coll, Valhalla, NY 10595 USA
[12] Icahn Sch Med Mt Sinai, Dept Populat Hlth Sci & Policy, New York, NY 10029 USA
[13] Univ Kansas, Med Ctr, Dept Anesthesiol, Kansas City, KS 66103 USA
[14] Univ Colorado Hosp, Dept Anesthesiol, Aurora, CO USA
[15] Univ Washington, Med Ctr, Ctr Perioperat & Pain Qual Safety & Outcomes PPQi, Seattle, WA 98195 USA
[16] Univ Pittsburgh, Med Ctr, Dept Anesthesiol & Perioperat Med, Pittsburgh, PA USA