1. Prof. K. Baršauskas Ultrasound Research Institute, Kaunas University of Technology, Kaunas, Lithuania
2. Department of Applied Mathematics, Faculty of Mathematics and Natural Sciences, Kaunas University of Technology, Kaunas, Lithuania
3. Department of Electrical Power systems, Faculty of Electrical and Electronics Engineering, Kaunas University of Technology, Kaunas, Lithuania
4. Department of Skin and Venereal Diseases, Lithuanian University of Health Sciences, Kaunas, Lithuania