1. College of Nursing, Anhui University of Chinese Medicine, Hefei, Anhui, PR China
2. Department of Pathology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, PR China
3. The First School of Clinical Medicine, Guangdong Medical University, Zhanjiang, Guangdong, PR China
4. Anhui Province Key Laboratory of Research & Development of Chinese Medicine, Hefei, PR China
5. Institute of Clinical Medicine, The Second Affiliated Hospital of Hainan Medical University, Haikou, Hainan, PR China.