VU University Amsterdam - Department of Haematology, University of Basel - University Hospital Basel, HOVON Foundation, University of Bern - Department of Medical Oncology, Utrecht University - University Medical Center (Utrecht), Isala Hospital, Radboud University Nijmegen - Radboud University Medical Center, University Hospital Zurich, University of Groningen - University Medical Center Groningen, ZNA Stuivenberg, ZNA Stuivenberg, Maastricht University, University of Amsterdam, Maxima Medical Centre, AZ Delta General Hospital, UCL Saint-Luc, Luzerner Kantonsspital, Leiden University, Medical Center (LUMC), Department of Hematology, Haga Hospital, Kantonsspital Baden, Erasmus University Rotterdam (EUR) - Department of Hematology, affiliation not provided to SSRN, HOVON Foundation, HOVON Foundation, Netherlands Cancer Institute, Erasmus University Rotterdam (EUR), University of Basel - University Hospital Basel, Radboud University, University of Amsterdam, University of Groningen - University Medical Center Groningen and Erasmus University Rotterdam (EUR)

University of Limoges - National Amyloidosis Center and Hematology Unit, CHU de Poitiers - Nephrology Unit, University of Groningen - Amyloidosis Centre of Expertise, Utrecht University - University Medical Center (Utrecht), Universidade do Porto - São João Hospital, University of Ostrava - Faculty of Medicine, Champalimaud Foundation - Champalimaud Center for the Unknown, Hospital Clinic of Barcelona - Department of Hematology, University of Pavia - Department of Molecular Medicine, Heidelberg University - Medical Department V, Amyloidosis Center Heidelberg, University of Pavia - Department of Molecular Medicine, University of Pavia - Department of Molecular Medicine, National and Kapodistrian University of Athens Medical School - Hematology and Oncology Unit, University College London - National Amyloidosis Centre, Heidelberg University - University Hospital Heidelberg, University of Vienna - Department of Internal Medicine I, Janssen-Cilag S.A., Johnson & Johnson - Janssen-Cilag, Johnson & Johnson - Janssen-Cilag, Health Data Specialists, Health Data Specialists, Erasmus University Rotterdam (EUR) - Erasmus Medical Center (MC), University College London - National Amyloidosis Centre and National and Kapodistrian University of Athens Medical School - Department of Therapeutics