Li, Jipeng
Zhao, Meng
She, Haicheng
Article History
Received: 1 July 2021
Accepted: 23 September 2021
First Online: 19 October 2021
Declarations
:
: This study was conducted in accordance with the Declaration of Helsinki and approved by the medical ethics committee of Beijing Tongren Hospital. The reference number is TRECKY 2020-071. The need for written informed consent was waived because of the retrospective design and use of deidentified patients data. This was also approved by the medical ethics committee of Beijing Tongren Hospital.
: Not applicable.
: The authors declare that they have no competing interests.