Slotervaart Ziekenhuis, Amsterdam, Netherlands
Centre Regional Rene Gauducheau, Dijon, France
Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Leiden University Medical Center, Leiden, Netherlands
Universitair Ziekenhuis Antwerpen, Edegem, Belgium
Centre Leon Berard, Lyon, France
Clinique Victor Hugo, Le Mans, France
Ospedale Santa Maria Goretti, Latina, Italy
Universitair Ziekenhuis Antwerpen, Edegem, Belgium
Daniel Den Hoed Cancer Center at Erasmus Medical Center, Rotterdam, Netherlands
Sint Antonius Ziekenhuis, Nieuwegein, Netherlands
Edmond Odette Cancer Centre at Sunnybrook, Toronto, Ontario, Canada
Princess Margaret Hospital, Toronto, Ontario, Canada
Allan Blair Cancer Centre at Pasqua Hospital, Regina, Saskatchewan, Canada
Daniel Den Hoed Cancer Center at Erasmus Medical Center, Rotterdam, Netherlands
Klinikum der Universitaet Regensburg, Regensburg, Germany
U.Z. Gasthuisberg, Leuven, Belgium