[1] Univ Calif San Francisco, San Francisco, CA 94143 USA
[2] Univ Calif San Francisco, Orthopaed Surg, San Francisco, CA 94143 USA
[3] Univ Calif San Francisco, UCSF Div Geriatr, Med, San Francisco, CA 94143 USA
[4] UCSF Age Friendly Hlth Syst, San Francisco, CA USA
[5] Rothman Orthopaed Inst, Philadelphia, PA USA
[6] UCSF Dept Orthopaed Surg, Qual & Safety, San Francisco, CA USA
[7] UCSF Hip Fracture Initiat, San Francisco, CA USA