Wang, Jian
Zhu, Xiandi
Xu, Zhihua
Yang, Guangzhao
Mao, Guoqun
Jia, Yuzhu
Xie, Zongyu
Wang, Jing
Ao, Weiqun
Article History
Received: 12 March 2020
Accepted: 12 June 2020
First Online: 22 June 2020
Ethics approval and consent to participate
: This retrospective study was approved by the institutional review board of Tongde Hospital of Zhejiang Province. All patients or their legally authorized representatives had provided written informed consent prior to participation in this study.
: The authors declared that there is no conflict of interest.