1. National Research Council CanadaInstitute for Biodiagnostics (Atlantic)HalifaxCanada
2. Department of RadiologyGeneral Hospital of Tianjin Medical UniversityTianjinChina
3. Division of Geriatric MedicineDepartment of Medicine, Dalhousie UniversityHalifaxCanada
4. Department of PhysicsDalhousie UniversityHalifaxCanada
5. Department of PsychologyDalhousie UniversityHalifaxCanada
6. Neuroscience Institute, Dalhousie UniversityHalifaxCanada
7. Centre for Health Care of the Elderly, Queen Elizabeth II Health Sciences CentreHalifaxCanada