Funding for this research was provided by:
Chinese Academy of Medical Sciences (2016-I2M-3-002, 2017-I2M-3-009)
National Natural Science Foundation of China (91519301, 31871310)
Article History
Received: 25 March 2020
Revised: 17 April 2020
Accepted: 7 May 2020
First Online: 24 May 2020
Ethics approval and consent to participate
: This study was approved by The Ethics Committee of the Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences.
: Not applicable.
: The authors declare that they have no competing interests.