Funding for this research was provided by:
General Program of National Natural Scientific Foundation of China (No. 8187041227)
Medical Scientific Research Foundation of Guangdong Province of China (No. B2018012)
Youth Program of President Foundation of Nanfang Hospital, Southern Medical University (No. 2016C023)
Special Program of President Foundation of Nanfang Hospital, Southern Medical University (No.2017Z004)
Received: 8 April 2020
Accepted: 22 November 2020
First Online: 10 December 2020
Ethics approval and consent to participate
: This study was approved by the Medical Ethics Committee of Nanfang Hospital (NFEC-2020-106).
: Not applicable.
: The authors have stated explicitly that there is no conflict of interests in connection with this article.