1. Benjamin F. Bigelow, Cassandra Parent, Ronald E. Saxton, and Kathleen R. Page are with the Johns Hopkins School of Medicine, Baltimore, MD. Diego A. Martínez is with the School of Industrial Engineering, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile. Katherine Phillips is with the Esperanza Center, Baltimore. Cui Yang is with the Department of Health Behavior, Society, and Policy, School of Public Health, Rutgers University, New Brunswick, NJ.