1. Institut Josep Carreras and Institut Catala d’Oncologia, Hospital Germans Trias i Pujol, Badalona, Spain
2. Hematology Service, Hospital del Mar, Barcelona, Spain
3. Hematology Department, Hospital Sant Joan de Déu, Manresa, Spain
4. Amyloidosis and Myeloma Unit, Department of Hematology, Hospital Clínic of Barcelona, IDIBAPS, University of Barcelona, Barcelona, Spain
5. Hospital Universitari Arnau de Vilanova, Lleida, Spain
6. Hematology Department, Hospital Universitari de Tarragona Joan XXIII-ICO-Tarragona, Tarragona, Spain
7. Hematology Service, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain