[1] Univ Calif Los Angeles, David Geffen Sch Med, Los Angeles, CA 90095 USA
[2] Univ Maryland, Sch Med, Baltimore, MD 21201 USA
[3] Hosp Special Surg, New York, NY 10021 USA
[4] Harbor UCLA Med Ctr, Dept Orthopaed Surg, Los Angeles, CA USA
[5] Iroko Pharmaceut LLC, Philadelphia, PA USA