1. Department of Lymphoma/Myeloma; The University of Texas MD Anderson Cancer Center; Houston Texas
2. University Hospital for Active Treatment “St. Marina,”; Varna Bulgaria
3. Nottingham University Hospitals NHS Trust; Nottingham United Kingdom
4. Vancouver General Hospital; Vancouver Canada
5. Medical University of Łódź and Copernicus Memorial Hospital; Łódź Poland
6. St. Istvan and St. Laszlo Hospital of Budapest and Semmelweis University; Budapest Hungary
7. University Multiprofile Hospital for Active Treatment “St. George,”; Plovdiv Bulgaria
8. National and Kapodistrian University of Athens; Athens Greece
9. St. Bartholomew's and the London Hospital; London United Kingdom
10. Charles University in Prague; Prague Czech Republic
11. Universidade Federal do Rio de Janeiro; Rio de Janeiro Brazil
12. First Republican Clinical Hospital of Udmurtia; Izhevsk Russia
13. Hospital Clinic i Provincial and Institut d'Investigacions Biomediques August Pi I Sunyer; Barcelona Spain
14. Nizhniy Novgorod Region Clinical Hospital; Nizniy Novgorod Russia
15. Janssen Research & Development; Spring House Pennsylvania
16. Janssen Research & Development; Beerse Belgium
17. University Hospital CHU Saint Eloi and INSERM U1040; Montpellier France