Gu, Runxia
Yang, Xue
Wei, Hui
Funding for this research was provided by:
National Natural Science Foundation of China (81670159)
CAMS Innovation Fund for Medical Sciences (CIFMS 2016-I2M-3-004)
Peking Union Medical College Youth Fund (2017320022)
Article History
Received: 24 August 2018
Accepted: 4 October 2018
First Online: 8 November 2018
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.