1. Molecular Ophthalmology, Department of Ophthalmology, University Hospital Essen, University Duisburg-Essen, Essen, Germany.
2. Institute of Medical Microbiology, University Hospital Essen, University Duisburg-Essen, Essen, Germany.
3. Department of Oto-Rhino-Laryngology, Head and Neck Surgery, University Hospital Essen, University Duisburg-Essen, Essen, Germany.
4. Department of Cardiology and Vascular Medicine, West German Heart and Vascular Center, University Hospital Essen, University Duisburg-Essen, Essen, Germany.
5. Department of Histopathology, King's College Hospital, King's College, London, United Kingdom.
6. Department of Ophthalmology, University Hospital Essen, University Duisburg-Essen, Germany.