1. College of Medicine and Veterinary MedicineUniversity of EdinburghEdinburghUK
2. Anne Rowling Regenerative Neurology ClinicUniversity of EdinburghEdinburghUK
3. Division of Clinical NeurosciencesWestern General HospitalEdinburghUK
4. Department of Nuclear MedicineNHS LothianEdinburghUK
5. Department of NeurologyForth Valley Royal HospitalNHS Forth ValleyLarbertUK