1. First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (mainland)
2. Department of Cardiology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (mainland)
3. Department of Traditional Chinese Medicine Ophthalmology, Liaocheng Eye Hospital, Liaocheng, Shandong, China (mainland)