1. D.S.O.U. Specialistic Laboratory Oncology; Hematology and Cell Cultures for Clinical Use, ARNAS Civico; Piazza Nicola Leotta 4 Palermo 90127 Italy
2. Department of Pathobiology and Medical and Forensic Biotechnologies; University of Palermo; Corso Tukory 211 Palermo 90134 Italy
3. Department of Sciences for Health Promotion and Mother-Child Care; University of Palermo; Via del Vespro 133 Palermo 90133 Italy
4. C.O.U. of Onco-Hematology; ARNAS Civico; Piazza Nicola Leotta 4 Palermo 90127 Italy