Li, Zhonghai
Liu, Hui
Yang, Ming
Zhang, Wentao
Article History
Received: 26 December 2020
Accepted: 3 March 2021
First Online: 15 March 2021
Declarations
:
: This study was approved by the medical ethics committee of First Affiliated Hospital of Dalian Medical University (PJ-KS-KY-2020-55), and informed written consent was obtained.
: Not applicable.
: The authors declare that they have no competing interests.