1. The Department of Cardiology, Gansu Provincial Hospital, 204 Dong Gang Xi Lu, Lanzhou 730000, China
2. The Department of Cardiology, Shanxi Cardiovascular Hospital Affiliated with Shanxi Medical University, 18 Yifen Street, Taiyuan 030024, China
3. Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin International Joint Research and Development Centre of Ophthalmology and Vision Science, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, 251 Fukang Road, Nankai District, Tianjin 300384, China