Wang, Runfeng
Zhang, Zhiguo
Li, Zhihong
Qu, Yan
Article History
Received: 20 October 2019
Accepted: 2 April 2020
First Online: 1 July 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the Second Affiliated Hospital of the China Air Force Military Medical University. The number of the committee’s reference is 201801-08.
: Not applicable
: The authors declare that they have no competing interests.