1. Campus of Hematology Franco e Piera Cutino, AOOR Villa Sofia‐V. CervelloPalermo Italy
2. Dipartimento Attività Sanitarie e Osservatorio Epidemiologico Assessorato Salute Regione SiciliaPalermo Italy
3. The Copenhagen Trial Unit, Centre for Clinical Intervention Research, Department 7812, RigshospitaletCopenhagen University HospitalCopenhagen Denmark