Emory University - Department of Epidemiology, Emory University - Department of Environmental Health, Emory University - Department of Epidemiology, Emory University - Department of Environmental Health, Emory University - Department of Epidemiology, Emory University - Department of Epidemiology, Emory University - Department of Pathology and Laboratory Medicine, University of British Columbia (UBC) - Centre for Molecular Medicine and Therapeutics, University of British Columbia (UBC) - Department of Medical Genetics, University of British Columbia (UBC) - Department of Medical Genetics, University of British Columbia (UBC) - Department of Medical Genetics, Government of the United States of America - Division of Mental Health, Emory University - Department of Neurology, Emory University - Department of Neurology, Emory University - Department of Neurology and Emory University - Department of Epidemiology