1. Department of Ophthalmology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
2. Key Laboratory of Ocular Fundus Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
3. Department of Hematology, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, Beijing, China
4. Department of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China
5. Department of Hematology, Xuanwu Hospital, Beijing, China