Commentary

¹ Department of Oncological Gastroenterology, National Research Institute of Oncology, Warszawa, Poland (Ringgold ID: RIN49585)

² Division of General, Endocrine and Transplant Surgery, Medical University of Gdańsk, Gdańsk, Poland

³ Clinical Effectiveness Research Group, University of Oslo, Oslo, Norway (Ringgold ID: RIN6305)