1. Mark Holland Metabolic Unit, Adult Inherited Metabolic Diseases Salford Royal NHS Foundation Trust Salford United Kingdom
2. Neuromuscular Research Department Center for Anatomy and Cell Biology, Medical University of Vienna Vienna Austria
3. Department of Neurology Mercy University Hospital Cork Ireland
4. Department of Clinical Neurophysiology Cork University Hospital Cork Ireland
5. University College Dublin Dublin Ireland
6. Paediatrics Department Trinity College Dublin Ireland
7. National Centre for Inherited Metabolic Diseases The Mater Misericordiae University Hospital Dublin Ireland