New Population Center Working Paper (PSC/PARC): Hoang, Cung, Vikesh Amin, Jere Behrman, Hans-Peter Kohler, and Iliana Kohler. 2021. "Heterogenous Trajectories in Physical, Mental and Cognitive Health among Older Americans: Roles of Genetics and Earlier SES." University of Pennsylvania Population Center Working Paper (PSC/PARC), 2021-76.