1. Department of Ophthalmology, Pallas Kliniken AG, Olten, Switzerland
2. Department of Ophthalmology, University of Münster Faculty of Medicine, Münster, Germany
3. Department of Ophthalmology, Pallas Kliniken AG, Wohlen, Switzerland
4. Department of Ophthalmology, Pallas Kliniken AG, Aarau, Switzerland
5. Department of Pathology, Viollier AG, Allschwil, Switzerland
6. Department of Ophthalmology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
7. Department of Ophthalmology, San Raffaele Scientific Institute, University Vita-Salute, Milan, Italy
8. Medical Faculty, University of Bern, Bern, Switzerland
9. Department of Ophthalmology, University of Basel, Basel, Switzerland