1. From the Department of Immunology, Division of Medicine, Faculty of Medicine, Imperial College of Science, Technology and Medicine, Hammersmith Hospital, London, United Kingdom; the
2. Institute of Ophthalmology, University College London, London, United Kingdom; and
3. From the Department of Immunology, Division of Medicine, Faculty of Medicine, Imperial College of Science, Technology and Medicine, Hammersmith Hospital, London, United Kingdom; the2Institute of Ophthalmology, University College London, London, United Kin