1. College of Integrated Traditional Chinese and Western Medicine, Gansu University of Chinese Medicine, Lanzhou, China.
2. Department of Cardiology, The Second Hospital of Lanzhou University, Lanzhou, China.
3. Key Laboratory of Prevention and Treatment for Chronic Diseases by Traditional Chinese Medicine, University Hospital of Gansu Traditional Chinese Medicine, Lanzhou, China.
4. Second Clinical Medical College of Lanzhou University, Lanzhou, China.
5. Department of Cardiology, Affiliated Hospital of Gansu University of Chinese Medicine, Lanzhou, China.