European Institute of Oncology, Milan, Italy
Istituto Nazionale per lo Studio e la Cura dei Tumori, Naples, Italy
Azienda Ospedaliera di Padova, Padova, Italy
National Cancer Institute - Bratislava, Bratislava, Slovakia
Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Medizinische Poliklinik, Universitaet Wuerzburg, Wuerzburg, Germany
Radiotherapeutisch Instituut-(Riso), Deventer, Netherlands
Hopital Cantonal Universitaire de Geneve, Geneva, Switzerland
University Hospital Schleswig-Holstein - Kiel Campus, Kiel, Germany
Christie Hospital, Manchester, England, United Kingdom
Gartnavel General Hospital, Glasgow, Scotland, United Kingdom
Hopital Avicenne, Bobigny, France
Netherlands Cancer Institute - Antoni van Leeuwenhoek Hospital, Amsterdam, Netherlands
Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Leeds Cancer Centre at St. James's University Hospital, Leeds, England, United Kingdom
Istituto Nazionale per lo Studio e la Cura dei Tumori, Naples, Italy
Universitair Medisch Centrum St. Radboud - Nijmegen, Nijmegen, Netherlands
University Medical Center Hamburg - Eppendorf, Hamburg, Germany
Ospedale Binaghi, Cagliari, Italy
Ospedale Oncologico A. Businco, Cagliari, Italy
Ospedale Di Montefiascone, Montefiascone, Italy
Clinique Sainte Elisabeth, Namur, Belgium
Bank Of Cyprus Oncology Centre, Nicosia, Cyprus
National Cancer Institute of Egypt, Cairo, Egypt
Centre Oscar Lambret, Lille, France
Martin Luther Universitaet, Halle Saale, Germany
Universitats-Krankenhaus Eppendorf, Hamburg, Germany