Correspondence to: Yin Tintut, PhD, University of California, Los Angeles, 10833 Le Conte Avenue, Los Angeles, CA 90095-1679. Email

E-mail Address: [email protected]

https://orcid.org/0000-0003-0156-2307

Department of Medicine, University of California, Los Angeles. (N.R.P., K.S., S.P., M.L., L.L.D., Y.T.)

Department of Physiology, University of California, Los Angeles. (L.L.D., Y.T.)

Department of Orthopaedic Surgery, University of California, Los Angeles. (Y.T.)

VA Greater Los Angeles Healthcare System, CA (L.L.D., Y.T.).