1. School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, China
2. School of Acupuncture and Rehabilitation, Guangzhou University of Traditional Chinese Medicine, Guangzhou, China
3. School of Biomedical Engineering, Southern Medical University, Guangzhou, China
4. Department of Acupuncture and Moxibustion, Shantou Central Hospital, Shantou, China
5. First Clinic Medical School, Southern Medical University, Guangzhou, China
6. School of Chinese Medicine, The University of Hong Kong, Hong Kong, China