Julia Diez (Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcala, Alcala de Henares, Madrid, Spain.), Usama Bilal (Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, US), Alba Cebrecos (Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcala, Alcala de Henares, Madrid, Spain.), Amanda Buczynski (Center for a Livable Future, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, US), Robert Lawrence (Center for a Livable Future, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, US), Thomas Glass (Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, US), Joel Gittelsohn (Global Obesity Prevention Center at Johns Hopkins, Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, US), Manuel Franco (Social and Cardiovascular Epidemiology Research Group, School of Medicine, University of Alcala, Alcala de Henares, Madrid, Spain.)