1. From the Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis (N.S.R., J.S.P.); Human Genetics Center, Department of Epidemiology, Human Genetics, and Environmental Sciences, School of Public Health, University of Texas Health Science Center at Houston (J.B., A.C.M., E.B.); and Human Genome Sequencing Center, Baylor College of Medicine, Houston, TX (E.B.).