HER2-positive Gastric Cancer

• Los Angeles Cancer Network — Anaheim, California, United States
• OPN - Oncology Physician Network (Los Alamitos) — Los Alamitos, California, United States
• Banner MD Anderson Cancer Center — Greeley, Colorado, United States
• Advanced Research LLC — Deerfield Beach, Florida, United States

• Henan Cancer Hospital (Affiliated Cancer Hospital of Zhengzhou University) — Zhengzhou, Henan, China

• Indiana University Melvin & Bren Simon Comprehensive Cancer Center — Indianpolis, Indiana, United States

• China-Japan Friendship Hospital — Beijing, China
• Peking Union Medical College Hospital — Beijing, China
• Peking University First Hospital — Beijing, China
• Beijing Cancer Hospital — Beijing, China

• The First Affiliated Hospital of Zhengzhou University — Zhengzhou, Henan, China
• Binzhou Medical University Hospital — Binzhou, Shandong, China
• Shengli Oilfield Central Hospital — Dongying, Shandong, China
• Shandong Provincial Hospital Affiliated to Shandong First Medical University — Jinan, Shandong, China

• The First Affiliated Hospital, College of Medicine, Zhejiang University — Hangzhou, Zhejiang, China
• The Second Affiliated Hospital, College of Medicine, Zhejiang University — Hangzhou, Zhejiang, China
• Huzhou Central Hospital — Huzhou, Zhejiang, China
• Lishui Central Hospital — Lishui, Zhejiang, China

• Zhejiang Cancer Hospital — Hangzhou, Zhejiang, China

• Fondazione IRCCS Istituto Nazionale dei Tumori di Milano — Milan, Italy

• Xijing Hospital, Air Force Medical University — Xi'an, Shaanxi, China

Not specified