Br J Haematol 2014 Jul 27;166(1):69-76. Epub 2014 Mar 27.
Division of Haematology, Department of Translational Medicine, Amedeo Avogadro University of Eastern Piedmont, AOU Maggiore della Carità, Novara, Italy; Haematology Unit, Department of Internal Medicine, Ospedale degli Infermi, Biella, Italy.