1. Department of Quality Management Division, Yantai City Hospital of Traditional Chinese Medicine, Yantai, Shandong, China (mainland)
2. Department of Emergency, Yantai City Hospital of Traditional Chinese Medicine, Yantai, Shandong, China (mainland)
3. Department of Neck, Shoulder, Waist, and Leg Pain, Yantai City Hospital of Traditional Chinese Medicine, Yantai, Shandong, China (mainland)