Funding for this research was provided by:
National Natural Science Foundation of China (81970473, 81670484, 81470812, 81970472, 81500412, 81270463)
Article History
Received: 5 January 2020
Accepted: 29 July 2020
First Online: 10 August 2020
Compliance with Ethical Standards
: The study protocol and informed consent form were approved by the Medical Ethics Committee of Renji Hospital (Approval No. KY2019032). An informed consent form was obtained from each participant.
: The authors declare that they do not have a conflict of interest.
Free to read: This content has been made available to all.