1. Faculty of Mathematics, Physics and Informatics, Comenius University, Mlynska dolina, 842 48 Bratislava, Slovakia
2. Hungarian Dairy Research Institute Ltd., , Lucsony utca 24, 9200 Mosonmagyaróvár, Hungary
3. Institute of Nuclear & Radiological Sciences and Technology, Energy & Safety, National Centre for Scientific Research “Demokritos” Patr. Gregoriou E & 27 Neapoleos Str, 15341 Agia Paraskevi, Greece
4. IMD Laboratories Co, R&D Section, Lefkippos Technology Park, NCSR Demokritos, Agia Paraskeyi, PO Box 60037, 15130 Athens,Greece