1 | Department of General and Minimally Invasive Surgery, School of Medicine, Collegium Medicum, University of Warmia and Mazury in Olsztyn, Poland |
2 | Department of Entrepreneurship and Economic Law, Faculty of Management and Economics, Gdansk University of Technology, Gdańsk, Poland |
3 | Faculty of Health Sciences, Jan Długosz University in Częstochowa, Poland |