Adina Feldman, Umea University (IMAGE) Umea University Caption The corresponding author is Dr Adina Feldman, Medical Research Council, (MRC) Epidemiology Unit, University of Cambridge. Credit Ian Farrell Usage Restrictions Ian Farrell License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.