Wang, Zhigang
Ge, Min
Wang, Zheyun
Chen, Cheng
Lu, Lichong
Zhang, Lifang
Wang, Dongjin
Article History
Received: 2 September 2021
Accepted: 21 February 2022
First Online: 2 March 2022
Declarations
:
: Ethical approval was obtained from Nanjing Drum Tower Hospital ethics committee. This retrospective study was conducted without informed consent for some objective reasons and was approved by the ethics committee. All procedures performed in studies were in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors have declared that they have no competing interests.