Funding for this research was provided by:
the Nanjing Medical Science and Technology Development Foundation (YKK15070)
Fundamental Research Funds for the Central Universities (021414380135)
the Clinical Medicine Research Special Fund of Chinese Medical Association (17020220691)
Article History
Received: 25 July 2019
Accepted: 27 April 2020
First Online: 2 May 2020
Ethics approval and consent to participate
: The Ethics Committee of Nanjing Drum Tower Hospital Affiliated with Nanjing University Medical School approved this study.
: Not applicable.
: The authors declare that they have no competing interests.