1. Ecological and Biological Sciences Department (DEB) University of Tuscia Via S. Camillo de Lellis snc 01100 Viterbo Italy
2. Department of Chemical Sciences University of Naples Federico II Campus Monte S. Angelo Via Cinthia 21 80126 Naples Italy
3. Joint Institute for Nuclear Research JINR's Laboratory of Radiation Biology Dubna Russia
4. Institute of Biophysics of the Czech Academy of Sciences Královopolská 135 61265 Brno Czech Republic