Affiliation: | 1. Department of Ophthalmology, Kuopio University Hospital, Kuopio, Finland;2. Department of Clinical Neurophysiology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland;3. Department of Health Sciences, University of Jyv?skyl?, Jyv?skyl?, Finland;4. Department of Ophthalmology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland |