Precancerous Conditions

• The First Affiliated Hospital to Nanchang University — Nanchang, Jiangxi, China
• The Second Affiliated Hospital to Nanchang University — Nanchang, Jiangxi, China
• Huashan Hospital Affiliated to Fudan University — Shanghai, Shanghai Municipality, China
• The Second Affiliated Hospital of Zhejiang University School of Medicine — Hangzhou, Zhejiang, China

• University Hospital of Amiens — Amiens, France
• University Hospital of Bordeaux — Bordeaux, France
• University Hospital of Brest — Brest, France
• University Hospital of Dijon — Dijon, France

• Beijing University of Chinese Medicine — Beijing, Beijing Municipality, China

• The First Affiliated Hospital of Guangzhou Medical University — Guangzhou, Guangdong, China

Not specified

• Providence Cancer Center — Anchorage, Alaska, United States
• Auburn Radiation Oncology — Auburn, California, United States
• Roy and Patricia Disney Family Cancer Center at Providence Saint Joseph Medical Center — Burbank, California, United States
• Radiation Oncology Centers - Cameron Park — Cameron Park, California, United States

• Site 17 — Augsburg, Germany
• Site 1 — Bad Bentheim, Germany
• Site 3 — Bochum, Germany
• Site 18 — Dresden, Germany

• Mayo Clinic Arizona — Phoenix, Arizona, United States
• UCLA Medical Center — Los Angeles, California, United States
• Mayo Clinic Jacksonville — Jacksonville, Florida, United States
• Northwestern University - Lurie Comprehensive Cancer Center — Chicago, Illinois, United States

• Genova, Italy
• E. O. Ospedali Galliera — Genoa, Italy

• Vanderbilt-Ingram Cancer Center - Cool Springs — Nashville, Tennessee, United States
• Vanderbilt-Ingram Cancer Center at Franklin — Nashville, Tennessee, United States
• Veterans Affairs Medical Center - Nashville — Nashville, Tennessee, United States
• Vanderbilt-Ingram Cancer Center — Nashville, Tennessee, United States