1 Dept. of Neurology, P.J. Safarik University, Kosice, Slovakia; Dept. of Neurology, University Hospital L. Pasteur, Kosice, Slovakia. Electronic address: petra.dosekova@upjs.sk.
2 Intercollegiate Faculty of Biotechnology of the University of Gdansk and Medical University of Gdansk, Gdansk, Poland.
3 Dept. of Medical Genetics, Medical University of Warsaw, Warsaw, Poland.
4 Dept. of Medical Biology, P. J. Safarik University, Kosice, Slovakia.
5 Dept. of Medical Genetics, Medical University of Warsaw, Warsaw, Poland; Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland.
6 Dept. of Ophthalmology, P. J. Safarik University and University Hospital L. Pasteur, Kosice, Slovakia.
7 Dept. of Neurology, P.J. Safarik University, Kosice, Slovakia; Dept. of Neurology, University Hospital L. Pasteur, Kosice, Slovakia.
8 Institute of Genetics and Biotechnology, Faculty of Biology, University of Warsaw, Warsaw, Poland.
9 Dept. of Medical Genetics, Medical University of Warsaw, Warsaw, Poland. Electronic address: rploski@wp.pl.