1. From the Academic Unit of Ophthalmology, Division of Immunity and Infection, University of Birmingham, Birmingham, United Kingdom; and the2Vitreo-retinal Unit, City Hospital, Sandwell and West Birmingham Hospitals, National Health Service Trust, Birmingha
2. From the Academic Unit of Ophthalmology, Division of Immunity and Infection, University of Birmingham, Birmingham, United Kingdom; and the
3. Vitreo-retinal Unit, City Hospital, Sandwell and West Birmingham Hospitals, National Health Service Trust, Birmingham, United Kingdom.