Real-world Data From the Swiss Lenalidomide in MDS del(5q) (SLIM)—Registry Identify New Chances and Challenges in Lenalidomide Treatment of Patients With MDS del(5q) - Axel Rüfer; Hubert Angermann; Rudolf Benz; Nicolas Bonadies; Antonello Calderoni; Nathan Cantoni; Anna Efthymiou; Robert Escher; Geneviève Favre; Dorothea Friess; Andreas Gschwend; Andreas Himmelmann; et al. (HemaSphere, 2022)