Zhang, Hao-ran
Wang, Feng
Yang, Xiong-gang
Xu, Ming-you
Qiao, Rui-qi
Li, Ji-kai
Zhao, Yun-long
Pang, Cheng-gang
Yu, Xiu-chun
Hu, Yong-cheng
Article History
Received: 21 June 2019
Accepted: 16 October 2019
First Online: 9 November 2019
Ethics approval and consent to participate
: This study followed the “Declaration of Helsinki” and was approved by the ethics committee of Tianjin Hospital.
: Not applicable.
: The authors declare that they have no competing interests.