1. Department of Clinical Neuroscience Institute of Neuroscience and Physiology Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Region Västra Götaland Sahlgrenska University Hospital Department of Ophthalmology Mölndal Sweden
3. Department of Ophthalmology Faculty of Medicine and Health Örebro University Örebro Sweden
4. Registercentrum Syd Region Blekinge Karlskrona Sweden
5. Department of Clinical Sciences Ophthalmology Lund University Lund Sweden
6. Department of Clinical Sciences/Ophthalmology Umeå University Umeå Sweden