Funding for this research was provided by:
National Institutes of Health (R01EB019430)
Received: 28 March 2021
Accepted: 26 April 2021
First Online: 14 June 2021
: The human bone marrow was harvested from patients undergoing total knee arthroplasty with IRB approval by the University of Washington School of Medicine (07-5025-E/A 01) and the University of Pittsburgh Medical Center (PRO14020504) using protocols that exempted consent collection from patients to the surgical waste materials.
: Not applicable.
: RST is an Editor-in-Chief of Stem Cell Research & Therapy and was not involved in the peer-review or editorial handling of the manuscript. The authors have no other competing interests to disclose.