1 Chair and Department of Ophthalmology, School of Medicine with the Division of Dentistry in Zabrze, Medical University of Silesia, Katowice, Poland.
2 First Department of Ophthalmology, Pomeranian Medical University, Szczecin, Poland.
3 Department of Ophthalmology, University of Debrecen, Budapest, Hungary.
4 Department of Biomedical Computer Systems, University of Silesia, Faculty of Computer Science and Materials Science, Institute of Computer Science, Sosnowiec, Poland.
5 Centro Polispecialistico Mediterraneo Via Chiubica SNC, Sellia Marina, 88050, Italy.