[1] Univ Michigan, Dept Anesthesiol, Ann Arbor, MI USA
[2] Univ Michigan, Dept Obstet & Gynecol, 2800 Plymouth Rd,Bldg 10,Rm G016, Ann Arbor, MI 48109 USA
[3] Univ Michigan, Sch Publ Hlth, Dept Hlth Management & Policy, Ann Arbor, MI USA
[4] Univ Michigan, Dept Psychiat, Ann Arbor, MI USA
[5] Obstet Initiat, Ann Arbor, MI 48105 USA
[6] Univ Michigan, Inst Healthcare Policy & Innovat, Ann Arbor, MI 48109 USA
[7] Univ Michigan, Med Sch, Dept Learning Hlth Sci, Ann Arbor, MI USA
[8] Univ Michigan, Sch Nursing, Ann Arbor, MI USA
[9] Ctr Healthcare Outcomes & Policy CHOP, Ann Arbor, MI USA
[10] Michigan Opioid Prescribing Network, Ann Arbor, MI USA
[11] Univ Michigan, Dept Surg, Ann Arbor, MI USA