1. Department of Haematology, Jagiellonian University, Kraków, Poland;
2. Haematology Department, Cancer Care Centre, The St George Hospital, Kogarah, Australia;
3. Lyell McEwin Hospital (LMH), Royal Adelaide Hospital (RAH), Adelaide, Australia;
4. Division of Hematology, A.O.U. Policlinico-Vittorio Emanuele, University of Catania, Catania, Italy;
5. Department of Clinical Hematology, University Hospital Královské Vinohrady, Third Faculty of Medicine, Charles University in Prague, Prague, Czech Republic;
6. inVentiv Health Clinical, Princeton, NJ, USA;
7. Pfizer S.r.l, Milan, Italy;
8. Pfizer Inc, Collegeville, PA, USA;
9. Department of Hematology/Oncology, Johannes Gutenberg University, Mainz, Germany