Authors: Taulant Muka; David Imo; Loes Jaspers; Veronica Colpani; Layal Chaker; Sven J van der Lee; Shanthi Mendis; Rajiv Chowdhury; Wichor M Bramer; Abby Falla; Raha Pazoki; Oscar H Franco Journal: Eur J Epidemiol Date: 2015-01-18 Impact factor: 8.082