1. Department of Ophthalmology; the Fourth Hospital of Shijiazhuang; Shijiazhuang Hebei Province 050011 China
2. Department of Neurology; First Affiliated Hospital, Sun Yat-sen University; Guangzhou Guangdong Province 510080 China
3. Department of Neurology; the Second Hospital of Hebei Medical University; Shijiazhuang Hebei Province 050000 China
4. Department of Imaging and Interventional Radiology; Prince of Wales Hospital, the Chinese University of Hong Kong; Shatin New Territories Hong Kong China
5. Department of Gastroenterology; the Second Hospital of Hebei Medical University, Hebei Key Laboratory of Gastroenterology, Hebei Institute of Gastroenterology; Shijiazhuang Hebei Province 050000 China
6. Institute of Chinese Medicine, the Chinese University of Hong Kong; Hong Kong China
7. Department of Ophthalmology; the Second Hospital of Hebei Medical University; Shijiazhuang Hebei Province 050000 China
8. Department of Medicine; Shenzhen University Health Science Centre; Shenzhen 518060 China