1. Department of Neurology Warren Alpert Medical School of Brown University Rhode Island Hospital Providence Rhode Island USA
2. Department of Biostatistics Brown University Providence Rhode Island USA
3. Department of Psychiatry and Human Behavior Warren Alpert Medical School of Brown University Rhode Island Hospital Providence Rhode Island USA
4. Spaulding Cape Cod Driving Assessment Program East Sandwich Massachusetts USA
5. Department of Medicine and Neurology Washington University School of Medicine St. Louis Missouri USA