Liu, Song
Xu, Mengying
Qiao, Xiangmei
Ji, Changfeng
Li, Lin
Zhou, Zhengyang
Article History
Received: 9 March 2021
Accepted: 9 August 2021
First Online: 16 September 2021
Declarations
:
: This retrospective study was approved by the Ethical Committee of Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School (Approval Documents Number: 2020-032-01). The requirement for informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.