1. Department of Medicine; Division of Neurology; McMaster University; Hamilton Ontario Canada
2. Department of Clinical Neurological Sciences; Western University; London Ontario Canada
3. Division of Neurology; Department of Medicine; Dalhousie University; Halifax Nova Scotia Canada
4. Private Practice; Cambridge Ontario Canada
5. Department of Neurology; Auckland Hospital; Auckland New Zealand
6. Department of Neurology; Concord Repatriation General Hospital; Concord New South Wales Australia
7. Movement Disorders Unit; Department of Neurology; Westmead Hospital and Sydney Medical School; University of Sydney; Sydney New South Wales Australia
8. National Parkinson Foundation Center of Excellence and Movement Disorder Program; London Health Sciences Center; London Ontario Canada