Tang, Yuqi
Li, Zechen
Yang, Dongdong
Fang, Yu
Gao, Shanshan
Liang, Shan
Liu, Tao
Article History
Received: 14 July 2020
Accepted: 10 December 2020
First Online: 6 January 2021
Ethics approval and consent to participate
: Informed consent of the study and a statement on ethics approval was waived because of the retrospective nature and the analysis used anonymous clinical data.
: Not applicable.
: The authors declare that they have no competing interests.