1. The First Clinical College of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People’s Republic of China
2. Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People’s Republic of China
3. Shandong University of Traditional Chinese Medicine, Jinan, Shandong, People’s Republic of China
4. Shandong University of Traditional Chinese Medicine Affiliated Hospital, Jinan, Shandong, People’s Republic of China