1. Immunology Service and Uveitis Unit, University Hospital of León, León, Spain
2. Instituto de Biomedicina (IBIOMED), University of León, León, Spain
3. Ophthalmology Service and Uveitis Unit, University Hospital of León, León, Spain
4. Ophthalmology Service, Cruces University Hospital, Barakaldo, Spain
5. Immunology Service, University Hospital of León, Altos de Nava S/N, León, Spain