1. School of Computer Science, Northeast Electric Power University, Jilin, China
2. School of Information Engineering, Changchun Sci-Tech University, Changchun, China
3. Department of Computer Science and Information Engineering, Chaoyang University of Technology, Taichung, Taiwan
4. Department one of Orthopedics, Affiliated Hospital of Beihua University, Jilin, Jilin, China
5. Information Center, West China Hospital of Sichuan University, Chengdu, Sichuan, China