The Royal London Hospital, Barts Health NHS Trust, London, United Kingdom
Instituto de Cancer Dr. Arnaldo, São Paulo, Brazil
Eye & ENT Hospital of Fudan University, Shanghai, China
Beijing Tongren Hospital, CMU, Beijing, China
Peking Union Medical College Hospital, Peking, China
Netherlands Cancer Institute: NKI, Amsterdam, Netherlands
Universita Cattolica del Sacro Cuore di Roma, Faculty of Medicine and Surgery 'Agostino Gemelli', Roma, Italy
Prince of Wales Hospital, NSW, Sydney, New South Wales, Australia
Royal Brisbane and Women's Hospital, Herston, Queensland, Australia
Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
University Medical Center Groningen, Groningen, Netherlands
Hospital de la Santa Creu I Sant Pau Universitat Autònoma de Barcelona, Barcelona, Spain
Erasmus Medical Center, Rotterdam, Zuid-Holland, Netherlands
Netherlands Cancer Institute, Amsterdam, Noord Holland, Netherlands
Netherlands Cancer Institute, Amsterdam, Noord Holland, Netherlands
Netherlands Cancer Institute, Amsterdam, Noord Holland, Netherlands