Recent and earlier collaboration:
 

• V. Andruch, Pavol Jozef Šafárik University in Košice, Slovakia;

• T. Imato, Kyushu University, Japan;

• S. Garmonov, Kazan National Research Technologigal University, Russia;

• S. Koronkiewicz, Dr. S. Kalinowski, University of Warmia and Mazury in Olsztyn, Poland;

• Paul J. Worsfold, Plymouth University, UK;

• P. Koscielniak, Jagiellonian University, Poland;

• А. Vishnikin, Dnepropetrovsk National University of Oles Gonchar, Ukraine;

• S. Kolev, University of Melbourne, Australia;

• Dr. Petr Chocholouš, Faculty of Pharmacy in Hradec Králové, Charles University in Prague.