1. Faculty of Information Technology, Macau University of Science and Technology , Macau, Macao
2. Faculty of Engineering and Natural Sciences, Norwegian University of Science & Technology in Aalesund , Gjøvik, Norway
3. Tianjin Key Laboratory of Advanced Networking, College of Intelligence and Computing, Tianjin University , Tianjin, China
4. School of Mechanical & Automotive Engineering, South China University of Technology , Guangzhou, China
5. College of Computer and Information Sciences, King Saud University , Riyadh, Saudi Arabia