Funding for this research was provided by:
National Natural Science Foundation of China (81872652, 91643204, 81573180)
Science and Technology Program of Guangzhou (201707020043)
Natural Science Foundation of Guangdong Province (2018B030311019)
University Chief Scientist Program of Guangzhou (1201541575)
Received: 26 August 2019
Accepted: 21 May 2020
First Online: 3 June 2020
Ethics approval and consent to participate
: This study was conducted in compliance with the declaration of Helsinki. Informed consent was obtained from all subjects. The ethics approval statements for human subjects were provided by the Ethic Committee of the General Hospital of Guangzhou Military Command of PLA and the Medical Ethics Committee of Guangzhou Medical University.
: All authors agreed on the manuscript.
: The authors have no conflicts of interest to declare.