Funding for this research was provided by:
National Natural Science Foundation of China (81472254)
Science and Technology Planning Project of Guangdong Province, China (2016A020215064)
Received: 29 March 2019
Accepted: 20 May 2020
First Online: 29 May 2020
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of The First Affiliated Hospital of Sun Yat-sen University, and written informed consent was obtained from all patients before treatment.
: The authors declare there is no competing interests.