Han, Yongxin
Zhen, Yanan
Liu, Xiaopeng
Zheng, Xia
Zhang, Jianbin
Zhai, Zhenguo
Duan, Jun
Zhang, Yajun
Liu, Peng
Article History
Received: 20 July 2020
Accepted: 27 August 2020
First Online: 12 September 2020
Compliance with ethical standards
:
: All authors have no conflicts of interest to report.
: The study was approved by the institutional review board of China Japan Friendship Hospital.