1. Department of Neurology, Shunde Hospital, Guangzhou University of Traditional Chinese Medicine, Foshan, Guangdong 528300, P.R. China
2. Department of Pneumology, Shunde Hospital, Guangzhou University of Traditional Chinese Medicine, Foshan, Guangdong 528300, P.R. China
3. Department of Oncology, Shunde Hospital, Guangzhou University of Traditional Chinese Medicine, Foshan, Guangdong 528300, P.R. China