[1] Univ Autonoma Barcelona UAB, Inst Environm Sci & Technol ICTA, Edifici ICTA ICP,Carrer Columnes S-N, Cerdanyola Del Valles 08193, Spain
[2] Univ Roma La Sapienza, Dept Methods & Models Econ, Terr & Finance MEMOTEF, Via Castro Laurenziano 9, I-00161 Rome, Italy
[3] Hosp del Mar Med Res Inst IMIM, Carrer Doctor Aiguader 88, Barcelona 08003, Spain
[4] Inst Catalana Recerca & Estudis Avancats ICRE, Passeig Lluis Co 23, Barcelona 08010, Spain
[5] Univ British Columbia, Sch Community & Reg Planning, 433-6333 Mem Rd, Vancouver, BC, Canada
[6] Humboldt Univ, Dept Geog, Berlin, Germany
[7] Vrije Univ Brussel VUB, Dept Geog, Pl Laan 2, B-1050 Brussels, Belgium
[8] Vrije Univ Brussel VUB, Dept Sociol, Pl Laan 2, B-1050 Brussels, Belgium