1. Institute of Metallurgy and Materials Science, Polish Academy of Sciences, 25 Reymonta St., 30-059 Krakow, Poland
2. Department for Experimental Medicine, Medical University of Silesia, 4 Medykow St., 40-752 Katowice, Poland
3. Foundation of Cardiac Surgery Development, 345A Wolnosci St., 41-800 Zabrze, Poland
4. AGH University of Krakow, 30 Mickiewicza St., 30-059 Krakow, Poland
5. Manufacturer of Surgical Instruments CHIRMED, 8A Mstowska St., 42-240 Rudniki, Poland
6. Joanneum Research Forschungsges. m.b.H., Institute of Surface Technologies and Photonics, Functional Surfaces, 94 Leobner Straße St., A-8712 Niklasdorf, Austria