Stomach Neoplasms

• Mayo Clinic Hospital — Phoenix, Arizona, United States
• Scottsdale Medical Imaging Research — Scottsdale, Arizona, United States
• Arizona Clinical Research Center, Inc. — Tucson, Arizona, United States
• Urological Associates of Southern Arizona, PC — Tucson, Arizona, United States

• Chinese Academy of Medical Sciences — Beijing, Beijing Municipality, China

• The Second Hospital Affiliated to Lanzhou University — Lanzhou, Gansu, China
• Qinghai University Affiliated Hospital — Xining, Qinghai, China
• People's Hospital of Qinghai Province — Xining, Qinghai, China

• Istanbul Training and Research Hospital — Istanbul, Turkey (Türkiye)

• Beijing Cancer Hospital — Beijing, Beijing Municipality, China

Not specified

• Holy Name Medical Center — Teaneck, New Jersey, United States

• Hanyang University Guri Hospital — Guri-si, South Korea

• Asan medical center — Seoul, Songpa-gu, South Korea

• Nottingham University Hospital — Nottingham, United Kingdom