[1] IRCCS Hosp San Raffaele, Div Neurosci, Milan, Italy
[2] Univ Naples Federico II, Dept Neurosci Reprod Sci & Odontostomatol, Naples, Italy
[3] Westfalian Wilhelms Univ Munster, Inst Integrat Cell Biol & Physiol, Munster, Germany
[4] Univ Miami, Dept Human Genet, Miami, FL USA
[5] Hussman Inst Human Gen, Miami, FL USA
[6] Univ Sydney, ANZAC Res Inst Sydney Local Hlth Dist, Sydney, NSW, Australia
[7] Fac Hlth & Med, Sydney, NSW, Australia
[8] IRCCS Fdn Carlo Besta Neurol Inst, Genet & Neurogenet Unit, Milan, Italy
[9] Capitanio Hosp, Sci Inst Auxol, Dept Ophthalmol, Milan, Italy
[10] Inst Genet & Biomed Res IRGB, Cagliari, Italy
[11] IRCCS Fdn Carlo Besta Neurol Inst, Dept Clin Neurosci, Unit Rare Neurodegenerat & Neurometabol Dis, Milan, Italy
[12] IRCCS Hosp San Raffaele, Dept Neurol, Milan, Italy
[13] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA