1. The Second Clinical Medical College, Nanjing University of Chinese Medicine, Nanjing, 210023 Jiangsu, China
2. Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing, 210028 Jiangsu, China
3. Department of Acupuncture, Yuhua Community Health Service Center, Nanjing, 210012 Jiangsu, China