Shen, Huan
Sun, Bin
Yang, Yongjin
Cai, Xingwei
Bi, Lixia
Deng, Lin
Zhang, Luyue
Article History
Received: 13 October 2019
Accepted: 21 January 2020
First Online: 3 February 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study passed the review of Ethics Committee of PLA Rocket Force General Hospital. All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.