[1] University Medical Center Groningen and University of Groningen,Department of Medical Oncology
[2] Isala Hospital,Department of Surgery
[3] Isala Hospital,Department of Medical Oncology
[4] Isala Hospital,Department of Radiation Oncology
[5] Isala Hospital,Department of Radiology
[6] Isala Hospital,Department of Pathology
[7] Isala Hospital,Department of Gastroenterology and Hepatology
[8] University Medical Center Groningen and University of Groningen,Department of Radiation Oncology
[9] University Medical Center Groningen and University of Groningen,Department of Pathology
[10] University Medical Center Groningen and University of Groningen,Department of Radiology
[11] University Medical Center Groningen and University of Groningen,Department of Surgical Oncology
[12] University Medical Center Groningen and University of Groningen,Department of Epidemiology