1. Division of Movement Disorders, Department of Neurology, Yale School of Medicine, Yale University, New Haven, CT, USA
2. Center for Neuroepidemiology and Clinical Neurological Research, Yale School of Medicine, Yale University, New Haven, CT, USA
3. Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, New Haven, CT, USA
4. Department of Social and Behavioral Sciences, Yale School of Public Health, Yale University, New Haven, CT, USA