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Heikki Joensuu and Petri Bono, Comprehensive Cancer Center Helsinki; Heikki Joensuu, Harri Sihto, and Petri Bono, University of Helsinki, Helsinki; Raija Kallio, Oulu University Hospital, Oulu; Jouni Junnila, 4Pharma, Turku, Finland; Mikael Eriksson and Thor Alvegård, Lund University, Lund; Bengt Nilsson, Sahlgrenska University Hospital, Gothenburg, Sweden; Kirsten Sundby Hall, Oslo University Hospital, Oslo, Norway; Annette Reichardt, Daniel Pink, and Peter Reichardt, Sarkomzentrum Berlin-Brandenburg, HELIOS Klinikum Berlin-Buch, Berlin; Jörg T. Hartmann, Franziskus Hospital, Catholic Hospital Consortium Ostwestfalen, Bielefeld; Giuliano Ramadori, University of Göttingen, Göttingen; Peter Hohenberger, Mannheim University Medical Center, Mannheim; Salah-Eddin Al-Batran, Klinik für Onkologie und Hämatologie am Krankenhaus Nordwest, Frankfurt; Marcus Schlemmer, University Hospital Großhadern, Ludwig Maximilians University, Munich; Sebastian Bauer, Sarcoma Center, West German Cancer Center, Essen; and Eva Wardelmann, Gerhard-Domagk-Institute of Pathology, University Hospital Münster, Münster, Germany.