1. Department of Ophthalmology; Seoul National University Hospital Healthcare System Gangnam Center; Seoul Korea
2. Department of Ophthalmology; Seoul National University College of Medicine; Seoul Korea
3. Laboratory of Ocular Regenerative Medicine and Immunology; Seoul Artificial Eye Center; Seoul National University Hospital Biomedical Research Institute; Seoul Korea
4. Xenotransplantation Research Center; Seoul National University Hospital; Seoul Korea
5. Department of Laboratory Medicine; Hallym University College of Medicine; Anyang Gyeonggi-do Korea
6. Department of Microbiology and Immunology; Cancer Research Institute; Seoul National University College of Medicine; Seoul Korea