¹ Department of Family Medicine & Geriatrics, University of California, Irvine, Medical Center, 101 City Drive, Orange, CA 92868, USA

² Department of Osteopathic Manipulative Medicine, Western University of Health Sciences College of Osteopathic Medicine of the Pacific, 309 E. 2nd St., Pomona, CA 91766-1854, USA

³ Office of the Dean, Western University of Health Sciences College of Osteopathic Medicine of the Pacific, 309 E. 2nd St., Pomona, CA 91766-1854, USA

⁴ Department of Obstetrics & Gynecology, University of California, Irvine, Medical Center, 101 City Drive, Orange, CA 92868, USA

⁵ Office for Academic Affairs and Office of the Provost, 212 Westcott Building, Tallahassee, Florida 32306, USA

⁶ Department of Physical Medicine & Rehabilitation, University of California, Irvine, Medical Center, 101 City Drive, Orange, CA 92868, USA

⁷ Science Library Reference Department, University of California, Irvine, P.O. Box 19557, Irvine, CA 926233-9557, USA

⁸ Center for Statistical Consulting, University of California, Irvine, 4900 Berkeley Place, Irvine, CA 92697, USA