Xin, Zhijun
Zheng, Guoquan
Huang, Peng
Zhang, Xuesong
Wang, Yan
Article History
Received: 9 May 2019
Accepted: 11 September 2019
First Online: 22 October 2019
Ethics approval and consent to participate
: This study was conducted with approval from the Ethics Committee of Chinese PLA General Hospital. Written informed consent to participate was obtained from all participants.
: The authors declare that they have no competing interests.