Funding for this research was provided by:
Guangzhou City Science and Technology (201510010167)
Guangdong Province Science Project (2014A010107011)
Guangdong Province Technology Project (2015A020211011)
Received: 11 April 2019
Accepted: 29 August 2019
First Online: 28 October 2019
Ethics approval and consent to participate
: Verbal informed consent was obtained from all participants rather than written consent for personal reasons. The samples used were the specimens remaining after the patient’s clinical examination. The study was approved by the Medical Ethics Committee of Nanfang Hospital Southern Medical University and conducted in compliance with the Declaration of Helsinki (No. NFEC-2014-002).
: Not applicable.
: The authors declare that they have no competing interests.