[1] IRCCS Fdn Policlin San Matteo, Neonatal Intens Care Unit, Pavia, Italy
[2] C Mondino Natl Neurol Inst, Child Neurol & Psychiat Unit, Pavia, Italy
[3] IRCCS Fdn Policlin San Matteo, Dept Obstet & Gynecol, Pavia, Italy
[4] Univ Pavia, I-27100 Pavia, Italy
[5] IRCCS Fdn Policlin San Matteo, Consultat Liaison Psychol Med Program, Pavia, Italy
[6] Univ Pavia, Dept Brain & Behav Sci, Child Neurol & Psychiat Unit, I-27100 Pavia, Italy
[7] IRCCS Fdn Policlin San Matteo, Epidemiol & Biometr Unit, Pavia, Italy