Lv, Gang
Wang, Guo-qiang
Xia, Zhen-xi
Wang, Hai-xia
Liu, Nan
Wei, Wei
Huang, Yong-hua
Zhang, Wei-wei
Article History
Received: 15 March 2018
Accepted: 2 January 2019
First Online: 22 January 2019
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the PLA Army General Hospital.
: Not applicable.
: The authors declare that they have no competing interests.