1. Public Health and Epidemiology Research Group. Department of Surgery, Social and Medical Sciences, School of Medicine and Health Sciences, Universidad de Alcala, Alcala de Henares, Madrid, Spain
2. Centre for Urban Research, RMIT University, Melbourne, Australia
3. Urban Health Collaborative, Drexel Dornsife School of Public Health, Philadelphia, PA, USA
4. Department of Epidemiology and Biostatistics, Dornsife School of Public Health Drexel University, Philadelphia, PA, USA
5. Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus, OH, USA
6. Department of Epidemiology, University of Washington, Seattle, WA, USA