1. Framingham Heart Study Framingham Massachusetts USA
2. Department of Neurology Boston University School of Medicine Boston Massachusetts USA
3. Department of Biostatistics Boston University School of Public Health Boston Massachusetts USA
4. Glenn Biggs Institute for Alzheimer's & Neurodegenerative Diseases University of Texas Health Science Center San Antonio Texas USA
5. Department of Population Health Sciences University of Texas Health Science Center San Antonio Texas USA
6. Department of Neurology NYU Grossman School of Medicine New York New York USA
7. Department of Epidemiology Erasmus University Medical Center Rotterdam The Netherlands