1. Andrew C. Stokes and Dielle J. Lundberg are with the Department of Global Health, Boston University School of Public Health, Boston, MA. Jacob Bor is with the Department of Global Health and Department of Epidemiology, Boston University School of Public Health. Kirsten Bibbins-Domingo is with the Department of Epidemiology and Biostatistics and the Department of Medicine, University of California, San Francisco.