作者单位:Univ Michigan, Dept Anesthesiol, Med Sch, Ann Arbor, MI 48109 USA[1]Univ Michigan, Dept Surg, Med Sch, Ann Arbor, MI 48109 USA[2]Michigan Opioid Prescribing Engagement Network, Ann Arbor, MI USA[3]Univ Michigan, Coll Dent, Ann Arbor, MI 48109 USA[4]