1. National Research and Development Institute for Cryogenics and Isotopic Technologies, 4 Uzinei Str., 240050 Râmnicu Vâlcea, Romania
2. National Research and Development Institute for Forestry “Marin Dracea” Calea Bucovinei, 73 Bis, 725100 Campulung Moldovenesc, Romania
3. Chemistry Department, Faculty of Chemistry and Chemical Engineering, Babeș-Bolyai University, Arany Janos 11, 400028 Cluj-Napoca, Romania
4. National Institute for Research and Development in Mine Safety and Protection to Explosion, 32-34 General Vasile Milea Str., 332047 Petroșani, Romania
5. Department of Biophysics, Faculty of Pharmacy, George Emil Palade University of Medicine, Pharmacy, Science and Technology of Târgu Mureș, 38 Gh. Marinescu Str., 540139 Târgu Mureş, Romania
6. National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donat Str., 400293 Cluj-Napoca, Romania
7. Biomolecular Physics Department, Faculty of Physics, Babeș-Bolyai University, Kogălniceanu 1, 400084 Cluj-Napoca, Romania