[1] Chang Gung Mem Hosp, Neurosci Res Ctr, Taipei, Taiwan
[2] Chang Gung Mem Hosp, Dept Neurol, Taipei, Taiwan
[3] Chang Gung Mem Hosp, Human Mol Genet Lab, Taipei, Taiwan
[4] Erasmus MC Rotterdam, Dept Clin Genet, NL-3000 DR Rotterdam, Netherlands
[5] Univ Milan, Ctr Dino Ferrari, Dept Neurol Sci, Milan, Italy
[6] Fdn Osped Maggiore Policlin, Milan, Italy
[7] Juntendo Univ, Sch Med, Dept Neurol, Tokyo 113, Japan
[8] Univ Tubingen, Dept Neurodegenerat Dis, Hertie Inst Clin Brain Res, D-72074 Tubingen, Germany
[9] Univ Roma La Sapienza, Dept Neurol Sci, Rome, Italy