1. School of Information Science and Engineering, Huaqiao University, China
2. School of Engineering and School of Information Science and Engineering, Huaqiao University, China
3. Department of Computer Science and Information Engineering, Ilan University, Taiwan
4. Machine Learning and I-health International Cooperation Base of Zhejiang Province, and Artificial Intelligence Institute, Hangzhou Dianzi University, Zhejiang, China
5. School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore