1. The Third Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing 210001, P. R. China
2. School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China
3. Key Laboratory for Combination of Acupuncture and Chinese Materia, Medica of Chinese Ministry of Education, Nanjing University of Chinese Medicine, Nanjing 210023, P. R. China