1. Division of Hematology, Department of Medicine A, Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark.
2. Division of Hematology, Department of Medicine A, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark.
3. Rigshospitalet, University Hospital of Copenhagen, Copenhagen, Denmark. Presently, Servizio di Ematologia, Ospedale Policlinico Sant'Orsola, Bologna, Italy.