1. Department of Medical Oncology, University Hospital of Coimbra, 3004‑561 Coimbra, Portugal
2. Department of Medical Oncology, Luz Lisbon Hospital, 1500‑650 Lisbon, Portugal
3. Department of Medical Oncology, Entre o Douro e Vouga Hospital Center (CHEDV), 4520‑211 Santa Maria da Feira, Portugal
4. Pathologic Anatomy Department, Garcia de Orta Hospital, 2805‑267 Almada, Portugal
5. Digestive Unit, Champalimaud Clinical Centre, 1400‑038 Lisbon, Portugal
6. Radiotherapy Department, Portuguese Institute of Oncology, 4200‑072 Porto, Portugal
7. i3S‑Institute for Research and Innovation in Health of University of Porto, 4200‑135 Porto, Portugal
8. Hemato‑Oncology Department, Garcia de Orta Hospital, 2805‑267 Almada, Portugal