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