1. Chair and Department of Surgical Oncology, Ludwik Rydygier’s Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Oncology Centre - Prof. Franciszek Łukaszczyk Memorial Hospital in Bydgoszcz, Poland
2. Department of Rehabilitation, Ludwik Rydygier’s Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Torun, Head of the Center: Prof. Wojciech Hagner, MD, PhD