L.A. Bulavin - Academician of NAS of Ukraine, Professor, Dr.Sc. (Phys.-Math.), Head of the Faculty of Physics, Taras Shevchenko National University of Kyiv, Ukraine. E-mail: dr.batsak@gmail.com G.V. Knyshov (1934-2015) - Academician of NAS of Ukraine, Professor Yu.F. Zabashta - Dr.Sc. (Phys.-Math.), Professor, Faculty of Physics, Taras Shevchenko National University of Kyiv, Ukraine B.V. Batsak - Head of Department Clinical Radiology, National Institute of Cardio-Vascular Surgery n.a. М. Amosov National Academy of Medical Sciences of Ukraine E.M. Trembovetska - Ph.D. (Med.), Head of Department of Biomedical Technology, National Institute of Cardio-Vascular Surgery n.a. М. Amosov National Academy of Medical Sciences of Ukraine