Sheng, Ying
Zheng, Wen-long
Shi, Qi-fang
Zhang, Bing-yu
Yang, Guang-yao
Article History
Received: 3 April 2021
Accepted: 17 November 2021
First Online: 27 November 2021
Declarations
:
: The study were approved by the Ethics Committee of Shanghai Pudong Hospital of Fudan University and Ethics Committee of Gongli Hospital Affiliated to Naval Medical University, and complied with the Principles of the Declaration of Helsinki. As this study was a retrospective study and medical intervention was not required, the informed consent for this study was waived by the Ethics Committee of Shanghai Pudong Hospital of Fudan University and Ethics Committee of Gongli Hospital Affiliated to Naval Medical University.
: Not applicable.
: The authors declare that they have no competing interests.