1. Ivan Franko National University of Lviv, 6/8 Kyryla & Mefodia str., 79005 Lviv, Ukraine
2. Stepan Gzytsky Lviv National University of Veterinary Medicine and Biotechnologies, 50 Pekarska str., 79010 Lviv, Ukraine
3. Kazimierz Wielki University, 30 Chodkiewicza str., 85-064 Bydgoszcz, Poland
4. O.O. Chuiko Institute of Surface Chemistry NAS of Ukraine, 17 Henerala Naumova str., 03164 Kyiv, Ukraine