Test Subjects (image) Faculty of Science - University of Copenhagen Share Print E-Mail Caption The subjects collected their diets at the Department of Nutrition, Exercise and Sports at the University of Copenhagen. Credit Model photo: Jakob Helbig/University of Copenhagen. Usage Restrictions The image may only be used with appropriate caption and credit. Share Print E-Mail 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.