[1] IRCCS, Continuing Educ & Res Serv, Profess Dev, Bambino Gesu Childrens Hosp, Rome, Italy
[2] IRCCS, Dept Paediat Emergency, Bambino Gesu Childrens Hosp, Rome, Italy
[3] IRCCS, Pediat Semiintens Care Area Unit, Bambino Gesu Childrens Hosp, Rome, Italy
[4] IRCCS, Rheumatol Unit, Bambino Gesu Childrens Hosp, Rome, Italy
[5] Univ Roma Tor Vergata, Dept Biomed & Prevent, Rome, Italy