The authors would like to acknowledge the financial support of the Chicago Center of Excellence in Health Promotion Economics (P30 CDC000147-01, PI: Meltzer) from the Centers for Disease Control and Prevention and a Midcareer Career Development Award from the National Institute of Aging (1 K24 AG031326-01, PI Meltzer). Dr. Meltzer would also like to acknowledge salary support from the Agency for Healthcare Research and Quality through the Hospital Medicine and Economics Center for Education and Research on Therapeutics (CERT) (U18 HS016967-01, PI: Meltzer). The work of Zhuo Chen was done when he was a postdoctoral scholar at the Chicago Center of Excellence in Health Promotion Economics, The University of Chicago. The views expressed herein are those of the author(s) and do not necessarily reflect the views of the National Bureau of Economic Research.