Chen, Xiangmeng
Feng, Bao
Chen, Yehang
Liu, Kunfeng
Li, Kunwei
Duan, Xiaobei
Hao, Yixiu
Cui, Enming
Liu, Zhuangsheng
Zhang, Chaotong
Long, Wansheng
Liu, Xueguo
Funding for this research was provided by:
National Natural Science Foundation of China (81960324)
Article History
Received: 18 December 2019
Accepted: 25 June 2020
First Online: 8 July 2020
Ethics approval and consent to participate
: Institutional Review Board approval was not required because the institutional review board of our hospital ethics committee approved this retrospective study, and the requirement for informed consent was waived. (Approval Number: [2019] 40).
: Not applicable.
: The authors declare that they have no competing interests.