1. International Nuclear Safety Center of Ukraine, Taras Shevchenko National University of Kyiv, St. Volodymyrs'ka, 64/13, 01601, Kyiv, Ukraine
2. Department of Nuclear and High Energy Physics, Faculty of Physics, Taras Shevchenko National University of Kyiv, St. Volodymyrs'ka, 64/13, 01601, Kyiv, Ukraine
3. Radiopharmaceutical Production Department, Clinical Hospital ``Feofaniya'', St. Zabolotnogo, 21, 03143 Kyiv, Ukraine