Funding for this research was provided by:
National Natural Science Foundation of China (81571614)
National Key Research and Development Program of China (2016YFF0101400)
Text and Data Mining valid from 2018-05-04
Received: 20 January 2018
Accepted: 19 April 2018
First Online: 4 May 2018
: The animal experiments were approved by the Institutional Animal Care and Use Committee of Nanjing Medical University and conducted in accordance with the UK Animals (Scientific Procedures) Act, 1986.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.