Funding for this research was provided by:
National Natural Science Foundation of China (81870517)
Shanghai Municipal Commission of Health and Family Planning (20174Y0237)
Shanghai Science and Technology Commission (Grant No.18140900302)
Text and Data Mining valid from 2019-07-25
Received: 6 March 2019
Accepted: 2 July 2019
First Online: 25 July 2019
: All procedure approved by the Animal Science Committee of Tongji University.
: Not applicable.
: The authors declare that they have no competing interests.