Funding for this research was provided by:
National Natural Science Foundation of China (81971949)
Major Science and Technology Special Project of China (2017ZX10302201004008, 2017ZX09304016)
Clinical Research Startup Program of Southern Medical University by High-level University Construction Funding of Guangdong Provincial Department of Education (LC2016PY003)
Received: 3 March 2020
Accepted: 16 June 2020
First Online: 29 June 2020
Ethics approval and consent to participate
: The Institutional Review Board of Nanfang Hospital, Southern Medical University had approved this study. All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2008. Oral consent was obtained from patients.
: Not applicable.
: The authors declare that they have no financial or non-financial interests with other people or organizations that could inappropriately influence this work.