Wang, Heng
Zhang, Ruiheng
Wang, Yining
Chen, Rongtian
Liu, Yueming
Li, Yang
Wei, Wenbin
Article History
Received: 6 March 2021
Accepted: 4 April 2022
First Online: 9 April 2022
Declarations
:
: The study was approved by the Medical Ethics Committee of Beijing Tongren Hospital, Capital Medical University. All alive patients and the legal guardians of dead patients provided written informed consent.
: Not applicable.
: The authors declared that they have no conflict of interest.