Authors: Loes Jaspers; Veronica Colpani; Layal Chaker; Sven J van der Lee; Taulant Muka; David Imo; Shanthi Mendis; Rajiv Chowdhury; Wichor M Bramer; Abby Falla; Raha Pazoki; Oscar H Franco Journal: Eur J Epidemiol Date: 2014-12-21 Impact factor: 8.082