Gastrointestinal Neoplasms

• Jonsson Comprehensive Cancer Center, UCLA — Los Angeles, California, United States
• Wilshire Oncology Medical Group, Inc. — Rancho Cucamonga, California, United States

• Mansoura university hospital — Al Mansurah, Dakahlia Governorate, Egypt

• Comprehensive Blood and Cancer Center — Bakersfield, California, United States
• St Jude Heritage Health Foundation — Fullerton, California, United States
• Daniel Freeman Memorial Hospital — Inglewood, California, United States
• UCLA - Antelope Valley Cancer Center — Lancaster, California, United States

• University of Louisville — Louisville, Kentucky, United States

• UCLA — Los Angeles, California, United States

• Jonsson Comprehensive Cancer Center, UCLA — Los Angeles, California, United States

• Department of Nuclear Medicine, First Affiliated Hospital of Fujian Medical University — Fuzhou, Fujian, China

Not specified

• HALLYM UNIVERSITY MEDICAL CENTER, Chuncheon Sacred Heart Hospital — Chuncheon, Gangwon-do, South Korea

• UCLA / Jonsson Comprehensive Cancer Center — Los Angeles, California, United States
• University of California Davis Comprehensive Cancer Center — Sacramento, California, United States
• University of California, San Francisco — San Francisco, California, United States
• University of Hawaii Cancer Center — Honolulu, Hawaii, United States