1. Edinburgh Medical School: Biomedical Sciences University of Edinburgh Edinburgh UK
2. Euan MacDonald Centre for Motor Neurone Disease Research University of Edinburgh Edinburgh UK
3. School of Medicine UNESP‐São Paulo State University Botucatu Sao Paulo Brazil
4. Faculty of Medicine Department of Anatomy King Abdulaziz University Jeddah Saudi Arabia
5. The Roslin Institute and R(D)SVS University of Edinburgh Edinburgh UK