1. 1Centre for Clinical Brain Sciences, The University of Edinburgh, Edinburgh, U.K.
2. 2Anne Rowling Regenerative Neurology Clinic, University of Edinburgh, Edinburgh, U.K.
3. 3Euan Macdonald Centre for Motor Neuron Disease Research, University of Edinburgh, Edinburgh, U.K.
4. 4King’s Technology Evaluation Centre, King’s College London, U.K.
5. 5Charité Universitaetsmedizin Berlin, Berlin Institute of Health – QUEST Center, Berlin, Germany