[1] DIV EMATOL,SIENA,ITALY
[2] S GIOVANNI ROTONDO,SIENA,ITALY
[3] UNIV TRIESTE,CATTEDRA EMATOL,TRIESTE,ITALY
[4] CLIN PEDIAT,TRIESTE,ITALY
[5] UNIV BOLOGNA,IST EMATOL L&A SERAGNOLI,I-40126 BOLOGNA,ITALY
[6] IST INFANZIA,TRIESTE,ITALY
[7] DIV EMATOL,VICENZA,ITALY