1. Department of Experimental, Diagnostic and Speciality Medicine, University of Bologna, Bologna, Italy
2. Istituto Euro-Mediterraneo di Scienza e Tecnologia (IEMEST), Palermo, Italy
3. Jomo Kenyatta University of Agriculture and Technology, Juja, Kenya
4. S. Orsola-Malpighi Hospital, Hematology and Hematopathology Units, Bologna, Italy
5. Azienda Ospedaliera Ospedali di Legnano, U. O. Anatomia Patologica, Legnao, Milan, Italy
6. Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy