[1] Bambino Gesu Pediat Hosp, Immunol & Infect Dis Unit, IRCCS, I-00165 Rome, Italy
[2] Bambino Gesu Pediat Hosp, Res Unit Congenital & Perinatal Infect, IRCCS, I-00165 Rome, Italy
[3] Univ Roma Tor Vergata, Dept Syst Med, Chair Pediat, I-00133 Rome, Italy
[4] Bambino Gesu Pediat Hosp, Hosp Pharm Unit, IRCCS, I-00165 Rome, Italy
[5] Bambino Gesu Pediat Hosp, Dept Pediat, IRCCS, I-00165 Rome, Italy
[6] IRCCS, Natl Inst Infect Dis, I-00149 Rome, Italy
[7] Bambino Gesu Pediat Hosp, Acad Dept Pediat, IRCCS, I-00165 Rome, Italy