1. Brain Research Imaging Centre, Centre for Clinical Brain SciencesUniversity of EdinburghEdinburgh United Kingdom
2. Health Services Research UnitUniversity of AberdeenAberdeen United Kingdom
3. Scottish Imaging Network: A Platform for Scientific Excellence (SINAPSE), University of Edinburgh, Edinburgh United Kingdom
4. Department of NeurologySantiago Chile
5. Department of NeurologyUniversity of GlasgowGlasgow United Kingdom