1. College of Contemporary PsychologyRikkyo University Saitama Japan
2. Faculty of PsychologyOtemon Gakuin University Ibaraki Japan
3. Faculty of MedicineShimane University Izumo Japan
4. Department of Neurology, Shimane Prefectural Hospital Izumo Japan
5. Faculty of Medicine and Health SciencesUniversity of East Anglia Norwich UK
6. Norfolk and Norwich University Hospital Norwich UK
7. The Euan MacDonald Centre for Motor Neurone DiseaseUniversity of Edinburgh Edinburgh UK
8. Alzheimer Scotland Dementia Research CentreUniversity of Edinburgh Edinburgh UK
9. Centre for Cognitive Ageing and Cognitive EpidemiologyUniversity of Edinburgh Edinburgh UK