1 From the Institute for Evidence in Medicine, Faculty of Medicine and Medical Center, University of Freiburg, Freiburg, Germany.
2 Institute for Biometrics and Epidemiology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Germany.
3 Department of Nutritional Sciences, University of Vienna, Vienna, Austria.
4 Institute of Nutrition, Consumption, and Health, Faculty of Natural Sciences, University Paderborn, Paderborn, Germany.