1 Department of Neuromuscular Disease, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK. andrea.cortese@ucl.ac.uk.
2 Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK.
3 Department of Neuromuscular Disease, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK.
4 Neurogenetics Laboratory, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK.
5 Department of Biological Sciences, International Islamic University, Islamabad, Pakistan.
6 Department of Neurology, School of Medicine at Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil.
9 Department of Brain and Behavioral Sciences, University of Pavia, Pavia, Italy.
10 Department of Psychiatry and Behavioural Sciences, Center for Therapeutic Innovation, University of Miami Miller School of Medicine, Miami, FL, USA.
11 Dr. John T. Macdonald Foundation Department of Human Genetics and John P. Hussman Institute for Human Genomics, University of Miami Miller School of Medicine, Miami, FL, USA.
12 Department of Neuromuscular Disease, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK. h.houlden@ucl.ac.uk.
13 Neurogenetics Laboratory, UCL Queen Square Institute of Neurology and The National Hospital for Neurology and Neurosurgery, London, UK. h.houlden@ucl.ac.uk.
In the version of this article initially published, the name of author Wai Yan Yau was misspelled. The error has been corrected in the HTML and PDF versions of the article.