Affiliation: | 1. GH Sergievsky Center, College of Physicians and Surgeons, Columbia University, New York, New York, U.S.A;2. Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York, U.S.A;3. Department of Sociology, Brandeis University, Waltham, Massachusetts, U.S.A;4. Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, New York, U.S.A;5. Department of Neurology, College of Physicians and Surgeons, Columbia University, New York, New York, U.S.A;6. Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York, U.S.A;7. Department of Pediatrics, College of Physicians and Surgeons, Columbia University, New York, New York, U.S.A;8. Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York, U.S.A;9. Division of Epidemiology, New York State Psychiatric Institute, New York, New York, U.S.A |