[1] IRCCS Osped San Raffaele, Div Genet & Cell Biol, Biol Myelin Unit, Milan, Italy
[2] Ist Sci San Raffaele, Div Neurosci, Milan, Italy
[3] Sanford Burnham Prebys Med Discovery Inst, Degenerat Dis Program, La Jolla, CA USA
[4] Univ Wisconsin, Sch Vet Med, Dept Comparat Biosci, Madison, WI 53706 USA
[5] Scripps Res Inst, La Jolla, CA 92037 USA
[6] Univ Wisconsin, Madison, WI USA
[7] Univ Iowa, Iowa City, IA USA