[1] The Pennsylvania State University,Department of Biobehavioral Health and Center for Developmental and Health Genetics
[2] 101 Amy Gardner House,Division of Genetic Epidemiology
[3] University Park,Department of Psychology
[4] Institute of Environmental Medicine,Department of Family Practice, Division of Geriatrics
[5] Karolinska Institute,undefined
[6] University of Southern California,undefined
[7] University of Texas Health Sciences Center-San Antonio 7703 Floyd Curl Drive,undefined