1. School of Computer and Information Engineering, Hanshan Normal University, Chaozhou, P.R. China
2. Artificial Intelligence and Big Data College, Chongqing College of Electronic Engineering, Chongqing, P.R. China
3. Yue Bei People’s Hospital, Shaoguan, P.R. China
4. School of Computer Science, China West Normal University, Nanchong, P.R. China
5. Institute of Modern Posts, Xi’an University of Posts & Telecommunications, Xi’an, P.R. China
6. Business School, Chongqing College of Electronic Engineering, Chongqing, P.R. China
7. School of Economics and Management, Weinan Normal University, Weinan, China