An, Fang
Liu, Chao
Wang, Xiujuan
Li, Tan
Fu, Hao
Bao, Buhe
Cong, Hongliang
Zhao, Jihong
Article History
Received: 21 October 2020
Accepted: 22 January 2021
First Online: 8 February 2021
Ethics approval and consent to participate
: The study was conducted in accordance with the Declaration of Helsinki, and the protocol was approved by the Ethics Committee of the Characteristic Medical Center of Chinese People's Armed Police Force (Clinical 2019-0001). Written informed consent was obtained from all participants.
: The authors declare that they have no competing interests.
: Not application.