Li, Yanyan
Li, Chuang
Feng, Dejing
Zhang, Qian
Li, Kuibao
Liu, Yu
Yang, Xinchun
Wang, Lefeng
Article History
Received: 17 February 2021
Accepted: 27 September 2021
First Online: 10 October 2021
Declarations
:
: This study was approved by the institutional review board of Beijing Chaoyang Hospital and performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki and its later amendments. All eligible patients had given written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.