Neoplasms, Unknown Primary

• Princess Margaret Cancer Centre — Toronto, Ontario, Canada

• MLL Munich Leukemia Laboratory — Munich, Germany

Not specified

• The First Affiliated Hospital, Zhejiang University School of Medicine — Hangzhou, Zhejiang, China

• Haukeland University Hospital — Bergen, Norway
• Akershus University Hospital — Oslo, Norway
• Oslo University Hospital — Oslo, Norway
• Stavanger University Hospital — Stavanger, Norway

• Tom Baker Cancer Centre — Calgary, Alberta, Canada
• Cross Cancer Institute — Edmonton, Alberta, Canada
• Ottawa Hospital Cancer Centre — Ottawa, Ontario, Canada

• University of Texas MD Anderson Cancer Center — Houston, Texas, United States

• Hammersmith Hospital - Imperial College Healthcare NHS Trust — Hammersmith, London, United Kingdom
• Gastrointestinal Units, The Royal Marsden NHS Foundation Trust (Sutton and Chelsea) — Sutton, Surrey, United Kingdom
• Guy's Cancer Centre, Guy's and St Thomas' NHS Foundation Trust — London, United Kingdom

• xCures — Oakland, California, United States

• M D Anderson Cancer Center — Houston, Texas, United States