1. Centre for Research in Environmental Epidemiology, Institut Municipal Investigació Mèdica, Doctor Aiguader 88. 08003 Barcelona, Spain, Pompeu Fabra University, Doctor Aiguader 88, 08003 Barcelona, Spain, National Centre for Environmental Health, Carlos III Health Institute, 20220 Majadahonda, Madrid, Spain, Institute for Risk Assessment Sciences, Utrecht University, P.O. Box 80176, 3508 TD Utrecht, The Netherlands, and Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht,...