1. Department of Ophthalmology, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland
2. Medical Center Monbijou, Bern, Switzerland
3. Department of Pediatric Rheumatology, Inselspital, University Children’s Hospital, Bern, Switzerland
4. Department of Ophthalmology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
5. Department of Ophthalmology, Pallas Klinik, Olten, Switzerland