1. Department of Hematooncology, University Hospital Ostrava and Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
2. Department of Clinical Hematology, University Hospital Brno, Brno, Czech Republic
3. Department of Biology and Ecology, Faculty of Science, University of Ostrava, Ostrava, Czech Republic
4. Institute of Biostatistics and Analyses, Ltd, Brno, Czech Republic
5. Babak Myeloma Group, Department of Pathophysiology, Faculty of Medicine, Masaryk University, Brno, Czech Republic
6. Department of Internal Medicine, Hematology and Oncology, University Hospital Brno and Faculty of Medicine Masaryk University, Czech Republic
7. Clinica Universidad de Navarra, Centro de Investigacion Medica Aplicada (CIMA), Instituto de Investigacion Sanitaria de Navarra (IDISNA), CIBER-ONC number CB16/12/00369, Pamplona, Spain
8. Hospital Universitario de Salamanca, Instituto de Investigacion Biomedica de Salamanca (IBSAL), Centro de Investigación del Cancer (IBMCC-USAL, CSIC), CIBER-ONC number CB16/12/00233, Salamanca, Spain
9. Hospital 12 de Octubre, CIBER-ONC number CB16/12/00369, Madrid, Spain
10. Plasma Cell Dyscrasia Center, Department of Hematology, Jagiellonian University Medical College, Faculty of Medicine Cracow, Poland
11. Division of Hematologic Malignancies, Dana-Farber Cancer Institute, Harvard Medical School, Boston, MA
12. 4th Department of Internal Medicine—Hematology, University Hospital Hradec Kralove, Charles University, Faculty of Medicine in Hradec Kralove, Hradec Kralove, Czech Republic