[1] Arcispedale Santa Maria Nuova, Ist Ricovero & Cura Carattere Sci, Obstet & Pediat Dept, Clin Genet Unit, Reggio Emilia, Italy
[2] UNIVPM, Pediat Unit, Ancona, Italy
[3] Univ Modena & Reggio Emilia, Dept Med & Surg Sci Childhood & Adult, Modena, Italy
[4] Arcispedale Santa Maria Nuova, Ist Ricovero & Cura Carattere Sci, Obstet & Pediat Dept, Neonatal Intens Care Unit, Reggio Emilia, Italy
[5] Arcispedale Santa Maria Nuova, Ist Ricovero & Cura Carattere Sci, Obstet & Pediat Dept, Pediat Neurol Unit, Reggio Emilia, Italy
[6] Telethon Inst Genet & Med TIGEM, I-80131 Naples, Italy
[7] Univ Bologna, Dept Med Genet, Policlin St Orsola Malpighi, Bologna, Italy
[8] Univ Parma, Dept Pediat, I-43100 Parma, Italy
[9] Univ Lausanne, Dept Pediat, Ctr Hosp Univ Vaudois, Lausanne, Switzerland
[10] Baylor Coll Med, Dept Mol & Human Genet, Houston, TX 77030 USA
[11] Texas Childrens Hosp, Jan & Dan Duncan Neurol Res Inst, Houston, TX 77030 USA
[12] Univ Naples Federico II, Dept Translat Med, I-80131 Naples, Italy