Zhang, Yue
Yang, Chunhao
Li, Yanfeng
Xia, Dong
Shi, Tingting
Li, Changjian
Article History
Received: 16 December 2019
Accepted: 12 April 2020
First Online: 28 April 2020
Ethics approval and consent to participate
: Ethical approval was obtained from the Institutional Review Boards of the Fourth Medical Center, Chinese PLA General Hospital. Written informed and oral consent was obtained from the study participants.
: Not applicable.
: There is no competing interest.