1. Jarosław Ocalewski, Department of Health Psychology, Faculty of Psychology, Kazimierz Wielki University in Bydgoszcz, Poland;, Email: jareko@ukw.edu.pl
2. Patrycja Michalska, Department of Health Psychology, Faculty of Psychology, Kazimierz Wielki University in Bydgoszcz, Poland
3. Paweł K. Izdebski, Professor, Department of Health Psychology, Faculty of Psychology, Kazimierz Wielki University in Bydgoszcz, Poland
4. Michał Jankowski, Chair of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland and Nicolaus Copernicus University in Toruń, Oncology Center, Bydgoszcz, Poland, and Department of Surgical Oncology,
Oncology Center – Professor Franciszek Lukaszczyk Memorial Hospital, Romanowskiej, Bydgoszcz, Poland
5. Wojciech Zegarski, Professor, Chair of Surgical Oncology, Ludwik Rydygier Collegium Medicum in Bydgoszcz, Poland and Nicolaus Copernicus University in Torué, Oncology Center, Bydgoszcz, Poland, and Department of Surgical Oncology,
Oncology Center – Professor Franciszek Lukaszczyk Memorial Hospital, Romanowskiej, Bydgoszcz, Poland