[1] Division of Nephrology and Dialysis,
[2] Bambino Gesù Children Research Hospital,undefined
[3] Piazza S.Onofrio 4,undefined
[4] I-00165 Rome,undefined
[5] Italy e-mail: rinaldi@opbg.net Tel.: +39-06-68592393,undefined
[6] Fax: +39-06-68592602,undefined
[7] Division of Infectious Diseases,undefined
[8] Bambino Gesù Children Research Hospital,undefined
[9] Rome,undefined
[10] Italy,undefined
[11] Division of Microbiology,undefined
[12] Bambino Gesù Children Research Hospital,undefined
[13] Rome,undefined
[14] Italy,undefined
[15] Microbiology Institute,undefined
[16] A.O. Ospedali Riuniti di Bergamo,undefined
[17] Bergamo,undefined
[18] Italy,undefined