Chen, Dong
Wang, Zhonggao
Hu, Zhiwei
Liang, Yan
Xiao, Fei
Wu, Jimin
Article History
Received: 26 October 2018
Accepted: 19 June 2019
First Online: 26 June 2019
Ethics approval and consent to participate
: This study protocol was approved by the Institutional Review Board of the General Hospital of the PLA Rocket Force (Beijing, China) (reference number: KY2018021), and together with the prospective part,were registrated in chinese clinical trail registry center. Oral informed consent was achieved from each patient through telephone interview.
: Not applicable.
: The authors declare that they have no competing interests.