T.Yu. Kochetova1, V.V. Krylov1, M.Y. Smolyarchuk1, L.V. Voloznev2, A.S. Lunev31 Federal State Institution «Medical Radiological Research Center» of the Ministry of Health of the Russian Federation, Obninsk2 Skryabin Moscow State Academy of Veterinary Medicine and Biotehnology, Moscow3 Burnasyan Federal Medical Biophysical Centre, Moscow