Funding for this research was provided by:
International Centre for Genetic Engineering and Biotechnology (No. CRP/CHN16-04_EC)
Received: 30 January 2020
Revised: 29 May 2020
Accepted: 29 June 2020
First Online: 29 July 2020
Ethics approval and consent to participate
: This study was approved by the central ethics committee of the Sixth Affiliated Hospital, Sun Yat-sen University in accordance with the Declaration of Helsinki (No. 2019ZSLYEC-136). The written consent of patients was waived by the ethical committee of the Sixth Affiliated Hospital, Sun Yat-sen University.
: Not applicable.
: The datasets used during the current study are available from the corresponding author on reasonable request.
: The authors declare no competing interests.
: This study was supported by International Centre for Genetic Engineering and Biotechnology Research Grant (No. CRP/CHN16-04_EC) and Natural Science Foundation of China (Nos. 81872188 and 81703080).