Funding for this research was provided by:
National Natural Science Foundation of China (81771078)
the Project of Invigorating Health Care through Science, Technology and Education, Jiangsu Provincial Medical Innovation Team (CXTDB2017014)
Nanjing Medical Science and Technique Development Foundation (QRX17081)
Received: 6 June 2019
Revised: 23 August 2019
Accepted: 4 September 2019
First Online: 15 November 2019
Ethics approval and consent to participate
: All experimental protocols were approved by Medical School of Nanjing University.
: Not applicable.
: The authors declare that they have no competing interests.