Funding for this research was provided by:
Beijing Natural Science Foundation (7182131)
Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2018-I2M-AI-004)
Non-profit Central Research Institute Fund of Chinese Academy of Medical Sciences (2019XK320004)
Peking Union Medical College Hospital Science Fund of Key Projects for Junior Faculty (PUMCH-2016–1.20)
Beijing Municipal Science and Technology Commission "clinical application of capital characteristics" (Z161100000516093)
Article History
First Online: 16 July 2020
Compliance with ethical standards
:
: There is no conflict of interest involved in the article.
: Consents in written form were obtained from all participants. All authors have read the manuscript and approved the manuscript for publication.
Free to read: This content has been made available to all.