Huang, Yun
Liu, Gang
Wang, Xiumei
Zhang, Yan
Zou, Guijun
Zhao, Zhanwei
Cao, Zhen
Zhao, Huibin
Yuan, Xinpu
Zhang, Chaojun
Article History
Received: 5 August 2020
Accepted: 4 March 2021
First Online: 13 March 2021
Declarations
:
: All procedures carried out in this study were in accordance with the ethical standards of the institutional and national responsible committee on human experimentation and the Helsinki Declaration of 1964 and its later amendments or equivalents. This study was approved by the Ethics Committee of the Sixth Medical Center, PLA General Hospital. Informed consent was obtained from all individual patients included in the study.
: Informed consent was obtained from all individual patients included in the study.
: The authors declare that they have no competing interests.