Funding for this research was provided by:
Beijing Municipal Administration of Hospitals Clinical Medicine Development of Special Funding Support (XMLX201813)
Received: 6 June 2020
Accepted: 9 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: This study was approved by Ethics Committee of CIP (KSSHERLL2017068).
: Not applicable.
: The authors declare that they have no competing interests.