1. Department of Medical Physics and Informatics; University of Szeged; Szeged Hungary
2. Technical Institute; Faculty of Engineering; University of Szeged; Szeged Hungary
3. Department of Applied and Environmental Chemistry; University of Szeged; Szeged Hungary
4. Department of Biophysics and Radiation Biology; Semmelweis University; Budapest Hungary
5. Institute of Physics of Condensed Matter Physics; Ecole Polytechnique Federale de Lausanne; Lausanne Switzerland