Oslo University Hospital - The Norwegian Radium Hospital, Oslo, Norway
University of Maryland Comprehensive Cancer Center, Baltimore, Maryland, United States
Memorial Sloan Kettering Cancer Center, New York, New York, United States
Hospital Universitario Quirón, Barcelona, Spain
CHU de Rennes - Pontchaillou, Rennes, France
Hospital Universitario HM Sanchinarro, Madrid, Spain
Docrates Hospital, Helsinki, Finland