Funding for this research was provided by:
Young Scientists Fund (81902247)
Osteoarthritis Research Society International (Collaborative Scholarship (2017))
Beijing Joint Care Foundation (Young Investigator Scholarship (2017))
Received: 2 June 2020
Accepted: 29 September 2020
First Online: 6 October 2020
Ethics approval and consent to participate
: The Institutional Review Board for the University of California (San Francisco) approved the study, and written informed consent was obtained from all participants.
: Not Applicable.
: The authors declare that they have no competing interests.