1. School of Management, Hefei University of Technology, Hefei, China
2. Medical Insurance Department, The First Affiliated Hospital of University of Sciences and Technology of China West District, Hefei, China
3. Department of Information Centre, The First Affiliated Hospital of University of Sciences and Technology of China West District, Hefei, China
4. Research and Development Department, Jiangsu Mashen Medical Research Institute Company Ltd., Nanjing, Jiangsu, China
5. School of Mathematics and Physics, Anhui Jianzhu University, Hefei, China
6. Institute of Automation, Chinese Academy of Sciences, Beijing, China