Neoplasms, Squamous Cell

• START Los Angeles — Los Angeles, California, United States
• Hackensack Meridian - John Theurer Cancer Center — Edison, New Jersey, United States
• START New York Long Island — Lake Success, New York, United States
• START Dallas Forth Worth — Fort Worth, Texas, United States

• University of North Carolina at Chapel Hill, Department of Radiation Oncology — Chapel Hill, North Carolina, United States

• Maidstone and Tunbridge Wells NHS Trust — Maidstone, Kent, United Kingdom
• Liverpool University Hospitals NHS Foundation Trust — Liverpool, Merseyside, United Kingdom
• NHS Greater Glasgow and Clyde — Glasgow, United Kingdom
• The Clatterbridge Cancer Centre NHS Foundation Trust — Liverpool, United Kingdom

• Department of minimally invasive esophageal surgery, Tianjin Medical University Cancer Institute and Hospital — Tianjin, China

• Vanderbilt University Medical Center — Nashville, Tennessee, United States

• Sub-i — Guangdong, GUANGZHOU, China

Not specified

• Jilin Cancer Hospital — Changchun, China
• Chengdu Fifth People's Hospital — Chengdu, China
• Sichuan Cancer Hospital & Institute — Chengdu, China
• West China Hospital, Sichuan University — Chengdu, China

• Sun Yat-sen University Cancer Center — Guangzhou, Guangdong, China

Not specified