1. Maria Skłodowska-Curie National Research Institute of Oncology (NIO-MSCI), 02-781 Warsaw, Poland
2. Faculty of Physics, University of Warsaw, 02-093 Warsaw, Poland
3. Faculty of Physics, Warsaw University of Technology, 00-662 Warsaw, Poland
4. Mossakowski Medical Research Institute, Polish Academy of Sciences (IMDiK PAN), 02-106 Warsaw, Poland
5. National Centre for Nuclear Research (NCBJ), 05-400 Otwock-Świerk, Poland