Rectal Cancer

• National Center for Tumor Disease (NCT) — Heidelberg, Baden-Wurttemberg, Germany
• Krankenhaus Nord West, Radioonkologische Klinik — Frankfurt am Main, Hesse, Germany

• Jae Hwan Oh — Goyang-si, Gyeonggi-do, South Korea

Not specified

• Kyungpook National University Medical Center — Daegu, South Korea

• UT MD Anderson Cancer Center — Houston, Texas, United States

• Research Department, Ersta Hospital — Stockholm, Sweden

• Division of Colorectal Disease, Department of Surgery, St. Vincent's Hospital, The Catholic University of Korea — Suwon, South Korea

• Severance Hospital — Seoul, South Korea

• Academic Medical Center — Amsterdam, Netherlands

• MAASTRO clinic — Maastricht, Limburg, Netherlands