Wang, Huan
Wu, Lehao
Xu, Yihao
Fan, Fei
You, Jianjun
Article History
Received: 23 November 2019
Accepted: 27 March 2020
First Online: 22 April 2020
Compliance with Ethical Standards
:
: All authors declare no conflict of interest.
: This study has been approved by the Institutional Review Board of Chinese Academy of Medical Sciences.
: Informed consent was obtained from all participants.