1. Department of Epidemiology, George Washington University Milken Institute School of Public Health, Washington, DC, USA
2. Department of Medicine, The George Washington School of Medicine and Health Sciences, Washington, Washington, USA
3. Kaiser Permanente Washington Health Research Institute, Seattle, Washington, USA
4. Department of Medicine, University of Washington, Seattle, Washington, USA
5. Department of Rehabilitation Medicine, Icahn School of Medicine at Mount Sinai, NY, New York, USA
6. Department of Neurology, Icahn School of Medicine at Mount Sinai, NY, New York, USA