Funding for this research was provided by:
Youth of National Natural Science Foundation of China (81803091)
Resident Standardization Training Foundation of Zhongshan Hospital (2020-ZP-085)
Received: 16 December 2020
Accepted: 1 March 2021
First Online: 10 March 2021
: This study was approved by the Ethics Committee of Zhongshan Hospital of Fudan University.
: Not applicable.
: The authors declare that they have no competing interests.