Neoplasms, Plasma Cell

• The University of Texas MD Anderson Cancer Center — Houston, Texas, United States
• Seoul National University Hospital — Seoul, South Korea
• Seoul St.Mary's Hospital — Seoul, South Korea
• Yonsei Severance Hospital — Seoul, South Korea

• Kantonsspital Aarau — Aarau, Switzerland
• Saint Claraspital AG — Basel, Switzerland
• Universitaetsspital-Basel — Basel, Switzerland
• Istituto Oncologico della Svizzera Italiana - Ospedale Regionale Bellinzona e Valli — Bellinzona, Switzerland

• Fred Hutchinson Cancer Research Center/University of Washington Cancer Consortium — Seattle, Washington, United States

Not specified

• Ulsan University Hospital — Ulsan, South Korea

• University College London — London, United Kingdom

• Abramson Cancer Center of the University of Pennsylvania — Philadelphia, Pennsylvania, United States

• Mayo Clinic in Arizona — Scottsdale, Arizona, United States
• Mayo Clinic — Rochester, Minnesota, United States

• Online registry — South San Francisco, California, United States

• Washington University School of Medicine — St Louis, Missouri, United States