Yu, Shanshan
Xiong, Yangyang
Xu, Jun
Liang, Xianquan
Fu, Yangyang
Liu, Danyu
Yu, Xuezhong
Funding for this research was provided by:
Beijing Natural Science Foundation (7192162)
Article History
Received: 28 September 2019
Accepted: 9 January 2020
First Online: 19 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: 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. This study was approved by the institutional review boards of Peking Union Medical College Hospital (No. JS 1826).
: Informed consent was obtained from all individual participants included in the study.