Funding for this research was provided by:
Research and development fund of Peking University People’s Hospital (RDY2019-32)
Article History
Received: 1 April 2020
Accepted: 20 July 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: Not applicable.
: We received explicit consent from the patients.
: The authors declare that they have no competing interests.