Affiliation: | 1. Department of Radiology, Beijing Tongren Hospital, Capital Medical University, No. 1 Dongjiaomin lane, Dongcheng District, Beijing 100730, P.R. China;2. Department of Cardiology, Beijing Tongren Hospital, Capital Medical University, Beijing, P.R. China;3. Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, P.R. China |