1. Faculty of Science, University of Zagreb, Bijenička 30, 10000 Zagreb, Croatia
2. Moscow Institute of Physics and Technology, 9 Institutskiy per., Dolgoprudny, Moscow Region, 141700, Russian Federation
3. UPPA, Fédération IPRA, Pau, France
4. Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, 10000 Zagreb, Croatia