1. School of Informatics, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China
2. Degree Programs in Systems and information Engineering, University of Tsukuba, Tsukuba, Ibaraki 305-8577, Japan
3. College of Information Science and Engineering, Hunan University, Changsha, Hunan 410082, China
4. Big Data Analysis Laboratory of Traditional Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan 410208, China