Neoplasms, Nerve Tissue

• University Hospital of Wales — Cardiff, United Kingdom
• Aintree University Hospital — Liverpool, United Kingdom
• Royal Free Hospital — London, United Kingdom
• St. Bartholomew's Hospital — London, United Kingdom

• University of Arizona Cancer Center — Tucson, Arizona, United States

• Hospital General Univ. de Elche — Alicante, Spain
• ICO Badalona — Badalona, Spain
• Hospital Clínico y Provincial de Barcelona — Barcelona, Spain
• Hospital de Bellvitge — Barcelona, Spain

• Dartmouth-Hitchcock Medical Center (Heater Road) — Lebanon, New Hampshire, United States

Not specified

• Children's Hospital of Alabama — Birmingham, Alabama, United States
• University of Alabama at Birmingham Cancer Center — Birmingham, Alabama, United States
• University of Arkansas for Medical Sciences — Little Rock, Arkansas, United States
• Loma Linda University Medical Center — Loma Linda, California, United States

• Florence, Italy
• Genova, Italy
• Milan, Italy
• Torino, Italy

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

• UTHealth & Children's Memorial Hermann Hospital — Houston, Texas, United States

• Novartis Investigative Site — Berlin, Germany
• Novartis Investigative Site — Berlin, Germany
• Novartis Investigative Site — Chemnitz, Germany
• Novartis Investigative Site — Erlangen, Germany