1. Comenius University in Bratislava, Faculty of Natural Sciences, Institute of Laboratory Research on Geomaterials, Ilkovičova 6, 842 15 Bratislava, Slovakia
2. Slovak University of Technology in Bratislava, Faculty of Electrical Engineering and Information Technology, Institute of Nuclear and Physical Engineering, Ilkovičova 3, 812 19 Bratislava, Slovakia
3. Comenius University in Bratislava, Faculty of Medicine, Department of Medical Physics, Biophysics, Informatics and Telemedicine, Sasinkova 4, 811 08 Bratislava, Slovakia