1. School of Computer Science and Engineering, Northeastern University, Shenyang, Liaoning, China
2. Electronic Engineering faculty, Kim Chaek University of Technology, Pyongyang 999093, DPRK
3. Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning, China
4. School of Public Foundation, China Medical University, Shenyang, Liaoning, China
5. Shanghai Chest Hospital, Shanghai Jiaotong University, Shanghai, China