1. Department of Health Psychology, Faculty of Psychology, Kazimierz Wielki University, 85-064 Bydgoszcz, Poland
2. Department of Surgical Oncology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 85-094 Toruń, Poland
3. Department of Surgical Oncology, Oncology Center—Professor Franciszek Lukaszczyk Memorial Hospital, Romanowskiej, 85-796 Bydgoszcz, Poland
4. Department of Vascular Surgery and Angiology, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 85-094 Torun, Poland
5. Department of Family Medicine, L. Rydygier Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 85-094 Torun, Poland