1. Institute of Neuroscience and Physiology, Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Department of Ophthalmology NU Hospital Group, Region Västra Götaland Uddevalla Sweden
3. Department of Ophthalmology Skaraborg Hospital, Region Västra Götaland Skövde Sweden
4. Department of Ophthalmology Sahlgrenska University Hospital, Region Västra Götaland Mölndal Sweden