Funding for this research was provided by:
National Natural Science Foundation of China (81801360)
Chinese academy of medical sciences (2019PT310020)
Received: 27 February 2020
Accepted: 20 July 2020
First Online: 28 July 2020
Ethics approval and consent to participate
: The study was approved by the Sichuan Provincial People’s Hospital ethics committee, reference number: (2016) Ethics Review (29). All individuals provided written informed consent prior to the initiation of study procedures.
: Not applicable.
: The authors declare that they have no competing interests.