Rectal Cancer

• University Hospitals Cleveland Medical Center, Case Comprehensive Cancer Center — Cleveland, Ohio, United States
• Cleveland Clinic Taussig Cancer institute, Case Comprehensive Cancer Center — Cleveland, Ohio, United States

• Teton Cancer Institute — Idaho Falls, Idaho, United States
• Oncology and Hematology of South Texas — Laredo, Texas, United States

• Hallym University College of Medicine — Anyang-si, Gyeonggi-do, South Korea
• National Cancer Center — Goyang-si, Gyeonggi-do, South Korea
• Seoul National University Bundang Hospital — Seongnam-si, Gyeonggi-do, South Korea
• Seoul National University Hospital — Seoul, Jongno-gu, South Korea

• Massachusetts General Hospital — Boston, Massachusetts, United States
• Providence Healthcare — Vancouver, British Columbia, Canada
• University of Manitoba — Winnipeg, Manitoba, Canada
• Jewish General Hospital — Montreal, Quebec, Canada

• Mount Sinai Hospital — New York, United States
• Memorial Sloan Kettering Cancer Center — New York, United States

• Jilin University First Hospital — Changchun, Jilin, China

• National Cancer Center — Goyang, South Korea
• Seoul National Unversity Bundang Hospital — Seongnam, South Korea
• Asan Medical Center — Seoul, South Korea
• Samsung Medical Center — Seoul, South Korea

Not specified

• Daping Hospital, Third Military Medical University — Chongqing, China

• Mayo Clinic Arizona — Phoenix, Arizona, United States
• California Cancer Care Associates for Research & Excellence, Inc. — San Marcos, California, United States
• St. Joseph Heritage Healthcare — Santa Rosa, California, United States
• University of Colorado Cancer Center — Aurora, Colorado, United States