[1] Fdn IRCCS CaGranda Osped Maggiore Policlin, Dept Neurosci, Milan, Lombardia, Italy
[2] Univ Milan, UO Postgrad Sch, Dept Pediat, Milan, Lombardia, Italy
[3] Fdn IRCCS Ca Granda Osped Maggiore Policlin, UO Dept Anesthesia & Intens Care Woman Child, Milan, Lombardia, Italy
[4] Fdn IRCCS CaGranda Osped Maggiore Policlin, UOC Neuroradiol, Milan, Lombardia, Italy