Funding for this research was provided by:
National Natural Science Foundation of China (81671615)
Received: 26 February 2020
Accepted: 9 October 2020
First Online: 19 October 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of the First Affiliated Hospital of Nanjing Medical University (number 2018-SR-333). Written informed consent have been obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interests.