Neoplasms, Plasma Cell

• Hematology and Bone Marrow Transplant Unit, A.O. Ospedale Papa Giovanni XXIII — Bergamo, Italy

• María del Mar — Barcelona, Catalonia, Spain

• Kailin Xu — Xuzhou, Jiangsu, China

• General Hospital of Athens "Alexandra", NKUA, Therapeutic Clinic — Athens, Greece
• Anticancer Hospital of Thessaloniki "Theageneio" — Thessaloniki, Greece

• Cross Cancer Institute — Edmonton, Alberta, Canada
• QEII Health Sciences Centre — Halifax, Nova Scotia, Canada
• London Health Sciences Centre — London, Ontario, Canada
• The Ottawa Hospital - General Hospital — Ottawa, Ontario, Canada

• The Royal Wolverhampton NHS Trust — Wolverhampton, United Kingdom

• Institute of Hematology and Blood Diseases Hospital Chinese Academy of Medical Sciences — Tianjin, Tianjin Municipality, China

• University Medical Center Hamburg-Eppendorf — Hamburg, Germany

Not specified

• the Fifth Medical Center of Chinese People's Liberation Army General Hospital — Beijing, China