1. Institute of Applied Physcis,NAS of Ukraine,Department of Radiation Biophysics,Sumy,Ukraine
2. Sumy State University,Department of Public Health,Sumy,Ukraine
3. Laboratory of Nonlinear and Fiber Optics Institute of Electronics,Bulgarian Academy of Sciences,Sofia,Bulgaria
4. Sumy National Agrarian University,Department of Therapy, Pharmacology, Clinical Diagnostics and Chemistry,Sumy,Ukraine