1. Institute for Nuclear Research; Hungarian Academy of Sciences; 4026 Debrecen, Bem ter 18/c Hungary
2. Department of Nuclear Medicine, Medical and Health Science Center; University of Debrecen; 4032 Debrecen, Nagyerdei krt. 98 Hungary
3. Semilab Co. Ltd.; 1117 Budapest, Prielle Kornelia str. 2 Hungary