1. Department of Internal Medicine; I.R.C.C.S. “A.O.U. San Martino-IST,”; Genova Italy
2. University of Genoa; Viale Benedetto XV, 6 16132 Genova Italy
3. Department of Health Sciences; I.R.C.C.S. “A.O.U. San Martino-IST,”; Genova Italy
4. Immunohematology and Transfusion Centre; Institute Giannina Gaslini; Genova Italy