Wang, Li
Liu, Weihua
Zhang, Yanjun
Hu, Zhanfei
Guo, Hao
Lv, Jingshu
Du, Hongyin
Article History
Received: 22 December 2019
Accepted: 23 March 2020
First Online: 22 April 2020
Compliance with ethical standards
:
: The authors declare that we do not have any commercial or associative interest that represents a conflict of interest in connection with the work submitted.
: Our study was approved by the Ethics Review Board of Tianjin First Center Hospital.