Funding for this research was provided by:
Natural Science Foundation of Shanghai (17ZR1409100)
Received: 18 February 2020
Accepted: 15 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: Our study was approved by the ethics committee of Huadong hospital affiliated to Fudan University and the protocols were carried out in accordance with the ethical principles for medical research involving human subjects. Written informed consents were obtained from all subjects.
: Not applicable.
: The authors declare that they have no competing interests.