1. School of Electronics and Information Engineering, Wuyi University, Jiangmen, China
2. Department of Mathematics, University of Macau, Macao, China
3. School of Biomedical Engineering, Shenzhen University Medical School, Shenzhen University, Shenzhen, China
4. School of Mathematics and Big Data, Foshan University, Foshan, China
5. Department of Computer and Information Science, University of Macau, Macao, China