Leo Kinlen1. 1. Nuffield Department of Population Health, University of Oxford, Richard Doll Building, Old Road Campus, Oxford, OX3 7LF, UK. Leo.Kinlen@gtc.ox.ac.uk.
Authors: Judith E Lupatsch; Claudia E Kuehni; Felix Niggli; Roland A Ammann; Matthias Egger; Ben D Spycher Journal: Eur J Epidemiol Date: 2015-05-26 Impact factor: 8.082