Funding for this research was provided by:
CAMS Innovation Fund for Medical Sciences (2016-I2M-3-003)
National Key Research and Development Program of China (2016YFE0128400 and 2016YFC0905100)
Article History
Received: 14 May 2019
Accepted: 1 December 2019
First Online: 16 December 2019
Ethics approval and consent to participate
: This study was approved by the Institutional Review Board (IRB) of the Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences, Beijing, China (015–2015). Written consent was obtained from all adult participants and the legal guardians of children under age 18 before they participated in this study.
: Written consent was obtained from all adult participants and the legal guardians of children under age 18 for the publication of this study, including the images in Fig. InternalRef removed.
: The authors declare no conflicts of interest.