Funding for this research was provided by:
National Natural Science Foundation of China (No. 81502589)
Natural Science Foundation of Guangdong Province (Nos. 408140352062, 2014A030310481)
The Science and Technology project of Shenzhen (CXZZ20130515092016300, JCYJ20160422142707177)
Received: 5 March 2019
Accepted: 31 October 2019
First Online: 2 March 2020
Ethics approval and consent to participate
: This study was approved by the institutional ethics committee of the Shenzhen People’s Hospital which was the second Affiliated Hospital of Jinan University, China. All procedures were performed by the ethical standards of our institutional research committee and written informed consent was obtained from each participant by the institutional guidelines.
: Not applicable.
: The authors declare that they have no competing interests.