1. School of Integrated traditional Chinese and Western Medicine, Hunan University of Chinese Medicine, Changsha, Hunan Province, China
2. Department of Cardiology, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
3. Department of Infectious Diseases, The First Affiliated Hospital of University of South China, Hengyang, Hunan Province, China
4. Shantou University Medical College, Shantou University, Shantou, Guangdong Province, China