Institut Jules Bordet, Brussels, Belgium
Kaiser Franz Josef Hospital, Vienna, Austria
Instituto Portugues de Oncologia de Francisco Gentil, Lisbon, Portugal
Hotel Dieu de Paris, Paris, France
A.Z. St. Jan, Brugge, Belgium
Innsbruck Universitaetsklinik, Innsbruck, Austria
Medical University of Gdansk, Gdansk, Poland
Vrije Universiteit Medisch Centrum, Amsterdam, Netherlands
Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy
Medizinische Klinik I, Dresden, Germany
Institut Catala d'Oncologia - Hospital Duran i Reynals, Barcelona, Spain
Universitaetsspital, Zurich, Switzerland
Universitaetsspital-Basel, Basel, Switzerland
AZ Sint-Jan, Brugge, Belgium
H. Hartziekenhuis - Roeselaere., Roeselare, Belgium
Hopital Cantonal Universitaire de Geneva, Geneva, Switzerland
Institute of Oncology and Radiology of Serbia, Belgrade, Former Yugoslavia
CHR de Besancon - Hopital Jean Minjoz, Besancon, France
Centre Hospital Regional Universitaire de Limoges, Limoges, France
University Hospital of Heraklion, Iraklion (Heraklion), Crete, Greece
Centre Hospitalier de Montlucon, Montlucon, France
Hopital Notre-Dame de Bon Secours, Metz, France
CHU de la Timone, Marseille, France
CRLCC Nantes - Atlantique, Nantes-Saint Herblain, France
Hopital Universitaire Erasme, Brussels, Belgium
Centre Hospitalier de l'Universite de Montreal, Montreal, Quebec, Canada
Nova Scotia Cancer Centre, Halifax, Nova Scotia, Canada
Cross Cancer Institute, Edmonton, Alberta, Canada