1. School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
2. Department of Clinical Chemistry, HUSLAB, Helsinki University Hospital, Helsinki, Finland
3. Center for Eye Research, Department of Ophthalmology, Oslo University Hospital, Oslo, Norway
4. Institute of Clinical Medicine, University of Oslo, Oslo, Norway
5. Department of Ophthalmology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
6. Department of Ophthalmology, Kuopio University Hospital, Kuopio, Finland