[1] Brown Univ, Dept Biol, Program Liberal Med Educ PLME, Providence, RI USA
[2] Harvard Med Sch, Beth Israel Deaconess Med Ctr, Dept Anesthesiol Crit Care & Pain Med, Boston, MA USA
[3] Ohio State Univ, Dept Anesthesiol, Wexner Med Ctr, Columbus, OH USA
[4] Mayo Clin, Dept Anesthesiol & Perioperat Med, Rochester, MN USA
[5] Univ Maryland, Dept Orthoped Surg, Sch Med, Baltimore, MD USA
[6] Univ Maryland, Dept Anesthesiol, Sch Med, Baltimore, MD USA
[7] Univ Pittsburgh, Dept Anesthesiol & Perioperat Med, Med Ctr, Pittsburgh, PA USA
[8] Univ Pittsburgh, Med Ctr, Williamsport, PA 17701 USA
[9] MVM Hlth, East Stroudsburg, PA 18301 USA