Page 1/28 Urban Environment and Health: a cross-sectional multiregional project based on Population Health Surveys in Spain (DAS-EP project), study protocol. Ainhoa Bereziartua Biodonostia Andrés Cabrera Andalusian School of Public Health Mikel Subiza-Pérez University of the Basque Country Gonzalo García-Baquero Biodonostia Salvador Delís Gomez Hospital Universitario Araba Ferran Ballester University of Valencia Marisa Estarlich University of Valencia Antonio Merelles University of Valencia Ana Esplugues University of Valencia María Ángeles Irles General Directorate of Public Health, Valencian Community Carmen Barona General Directorate of Public Health, Valencian Community Rosa Mas General Directorate of Public Health, Valencian Community Laia Font-Ribera Agencia de Salud Pública de Barcelona Xavier Bartoll Agencia de Salud Pública de Barcelona Katherine Pérez