| Affiliation: | (1) Neuromuscular Centre Nijmegen, Dept. of Neurology, University Medical Centre Nijmegen, 9101, 6500 HB Nijmegen, The Netherlands;(2) Dept. of Human Genetics, University Medical Centre Nijmegen, Nijmegen, The Netherlands;(3) Dept. of Human Genetics, Leiden University Medical Centre, Leiden, The Netherlands |
