1. U.O. Diagnostica Ematochimica, Dipartimento di Patologia e Medicina di Laboratorio, Azienda Ospedaliero-Universitaria di Parma , Via Gramsci 14, 43126 Parma , Italy
2. Institute of Clinical Pathology and Medical Research (ICPMR), Department of Haematology, Westmead Hospital , Westmead , Australia