1 Section of Thoracic Medicine, Institute of Medicine, University of Bergen, Norway; 2 Centre Recerca Epidemiologia Ambiental (CREAL-IMIM), Barcelona, Spain; 3 Universitat Pompeu Fabra, Barcelona, Spain; 4 Centre for MEGA Epidemiology, School of Population Health, The University of Melbourne, Australia; 5 Helmholtz Zentrum Munchen, National Research Center for Environmental Health, Institute of...