1. College of Computer Science and Electronic Engineering, Hunan University, Changsha, China.
2. College of Information Science and Engineering, Guilin University of Technology, Guilin, China.
3. National Supercomputing Center in Zhengzhou, Zhengzhou University, Henan, China.
4. Department of Cardiology, Hunan Provincial People's Hospital, Changsha, China.
5. Department of Epidemiological Research, Hunan Provincial People's Hospital, Changsha, China.