[1
] Institució Catalana de Recerca i Estudis Avançats, Universitat Autònoma de Barcelona
[2
] Department of Landscape Architecture and Environmental Planning, University of California,
Berkeley
[3
] Institute for Environmental Science and Technology, Universitat Autònoma de Barcelona
[4
] Department of Urban Studies and Planning, Massachusetts Institute of Technology
[5
] Estudis d’Economia i Empresa and Internet Interdisciplinary Institute, Universitat
Oberta de Catalunya