Dalia Stern is with the Center for Nutrition and Health Research, National Institute of Public Health, Cuernavaca, Morelos, Mexico. Nicole Middaugh and Francine Laden are with the Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, MA. Megan S. Rice is with the Clinical and Translational Epidemiology Unit, Department of Medicine, Massachusetts General Hospital, Boston. Ruy López-Ridaura and Martin Lajous are with the Center for Research on Population Health, National Institute...