Funding for this research was provided by:
California Institute for Regenerative Medicine (TRAN1-10958)
Wuhan Union Hospital
Received: 17 October 2020
Accepted: 17 March 2021
First Online: 6 April 2021
: This study was approved by the Institutional Review Board of the Stanford University School of Medicine and the Stanford University Stem Cell Research Oversight Committee. All experimental methods were carried out in accordance with the approved guidelines.
: Not applicable.
: The authors declare that they have no competing interests.