Erasmus MC Cancer Institute, Rotterdam, Netherlands
Johns Hopkins Hospital, Baltimore, Maryland, United States
Site US10004, New York, New York, United States
Site US10003, Evanston, Illinois, United States
Site US10002, Myrtle Beach, South Carolina, United States
Hospital Universitario de Santiago, Santiago de Compostela, A Coruña, Spain
ICO L'Hospitalet, L'Hospitalet de Llobregat, Barcelona, Spain
Hospital Althaia Manresa, Manresa, Barcelona, Spain