1. Lithuanian University of Health Sciences, Medical Academy, Eiveniu 2, LT-50009 Kaunas, Lithuania
2. Neuroscience Institute, Lithuanian University of Health Sciences, Medical Academy, Eiveniu 2, LT-50009 Kaunas, Lithuania
3. Department of Ophthalmology, Lithuanian University of Health Sciences, Medical Academy, Eiveniu 2, LT-50009 Kaunas, Lithuania