Wang, Tiegong
Chen, Luguang
Jin, Xianglan
Yuan, Yuan
Zhang, Qianwen
Shao, Chengwei
Lu, Jianping
Article History
Received: 13 November 2020
Accepted: 25 March 2021
First Online: 12 April 2021
Declarations
:
: Current retrospective study was approved by the Ethics Committee of Changhai Hospital of Shanghai (IRB protocol number: CHEC2013-204) and written informed consent was waived. We confirm that all methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors declare that they have no competing interests.