1. Guidelines Committee Chair; European Society for Medical Oncology; Viganello-Lugano Switzerland
2. Department of Hematology and Medical Oncology, Institute of Health Research Hospital Clinic of Valencia (INCLIVA), University of Valencia; Valencia Spain
3. Guidelines Committee Co-Chair; European Society for Medical Oncology; Viganello-Lugano Switzerland
4. Department of Oncology; University of Ioannina Medical School; Ioannina Greece
5. Guidelines Committee, Subject Editor for Gastrointestinal Cancer, European Society for Medical Oncology; Viganello-Lugano Switzerland
6. Hubertus Wald Tumor Center; University Cancer Center Hamburg, University Medical Center Hamburg-Eppendorf; Hamburg Germany