This research was supported by the National Institute on Aging (Grant No. P30AG024968), which supports the Roybal Center for Health Policy Simulation at the University of Southern California (USC). The content is solely the responsibility of the authors and does not represent the official views of the National Institutes of Health. This work was funded in part by unrestricted grants to the Leonard D. Schaeffer Center for Health Policy and Economics at USC from Alkermes plc and Verily Life Sciences LLC. Danielle Schlosser is an employee of Verily Life Sciences, and John Hernandez was an employee at Verily at the time this research was conducted. Seth Seabury and Dana Goldman are consultants to Precision Health Economics, and Goldman holds equity (less than 1 percent) in its parent company. Goldman also reports consulting income during the last year from ACADIA Pharmaceuticals, the Aspen Institute, and Celgene.