1. Institute for Translational Research Department of Family Medicine University of North Texas Health Science Center Fort Worth Texas USA
2. Vermont Genetics Network University of Vermont Burlington Vermont USA
3. Department of Psychology NYS Institute for Basic Research in Developmental Disabilities Staten Island New York USA
4. University of California Irvine California USA
5. Taub Institute for Research on Alzheimer's Disease and the Aging Brain Columbia University New York New York
6. G.H. Sergievsky Center Columbia University New York New York USA
7. Mailman School of Public Health Department of Epidemiology Columbia University New York New York USA
8. Department of Neurology Columbia University Medical Center New York New York USA
9. Institute for Translational Research Department of Pharmacology and Neuroscience University of North Texas Health Science Center Fort Worth Texas USA
10. Department of Psychiatry Columbia University Medical Center New York New York USA