Rectal Neoplasms

• Cancer Care & Hematology Specialists of Chicagoland — Arlington Heights, Illinois, United States
• Northwestern University, Northwestern Medical Faculty Foundation — Chicago, Illinois, United States
• Hematology/Oncology Associates — Chicago, Illinois, United States
• Joliet Oncology-Hematology Associates, Ltd. — Joliet, Illinois, United States

• National Cancer Center, Korea — Goyang-si, Gyeonggi-do, South Korea
• Seoul National University Bundang Hospital — Seongnam-si, Gyeonggi-do, South Korea
• Seoul National University Hospital — Seoul, South Korea

• National Cancer Institute — Vilnius, Lithuania

• Abramson Cancer Center of the University of Pennsylvania — Philadelphia, Pennsylvania, United States

• First Affiliated Hospital of Xi'an Jiaotong University — Xi'an, Shaanxi, China

Not specified

• City of Hope — Duarte, California, United States

• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• The Hospital of Central Connecticut — New Britain, Connecticut, United States
• Emory University Hospital/Winship Cancer Institute — Atlanta, Georgia, United States
• Atlanta VA Medical Center — Decatur, Georgia, United States

• Holden Comprehensive Cancer Center — Iowa City, Iowa, United States

Not specified