1. Medical College of Acu-Moxi and Rehabilitation; Guangzhou University of Chinese Medicine; Guangzhou 510006 Guangdong Province P. R. China
2. The First Clinical College; Guangzhou university of Chinese Medicine; Guangzhou 510000 Guangdong Province P. R. China
3. Shenzhen Hospital of Guangzhou University of Chinese Medicine; Shenzhen 518034 China
4. The First Affiliated Hospital; Guangzhou University of Chinese Medicine; Guangzhou 510000 China
5. Clinical Research Center, South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation; Guangzhou University of Chinese Medicine; Guangzhou 510006 Guangdong Province P. R. China