1. Faculty of Medicine, Lucian Blaga University of Sibiu, Victoriei Bld. No. 10, 550024 Sibiu, Romania
2. Department of Physics, “Gheorghe Asachi” Technical University of Iasi, Iasi, Romania
3. Academy of Romanian Scientists, Bucharest, Romania
4. Department of Radiology, “Grigore T. Popa” University of Medicine and Pharmacy, Iasi, Romania