1. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain
2. CIBER Epidemiologia y Salud Publica (CIBERESP), Barcelona, Spain
3. Universitat Pompeu Fabra (UPF), Barcelona, Spain
4. Servei de sistema d’Informació Sanitaria, Agencia de Salut Pública de Barcelona, Barcelona, Spain
5. Centre for Environmental Policy, Imperial College London, London, United Kingdom
6. Institute for Risk Assessment Sciences (IRAS), University of Utrecht, Utrecht, the Netherlands