[1] Hop Ambroise Pare, Boulogne, France
[2] Kauno Med Univ Klin, Kaunas, Lithuania
[3] Cherkassy Oblasnoy Onkodispanser, Charkassy, Ukraine
[4] Lviv Oncol Med & Diagnost Ctr, Lvov, Ukraine
[5] Sahlgrens Univ Hosp, Gothenburg, Sweden
[6] Vychodoslovensky Onkol Ustav, Kosice, Slovakia
[7] RAMN, NN Blokhin Russian Canc Res Ctr, Moscow, Russia
[8] MSC Mem Canc Ctr, Gliwice, Poland
[9] Merck KGaA, Darmstadt, Germany
[10] Univ Hosp Gasthuisberg Leuven, Leuven, Belgium