1. German Nutrition Society, Bonn, Germany
2. German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), Nuthetal, Germany
3. Vitality–Center for Good Older Lives, Department of Nutrition, Exercise, and Sports, University of Copenhagen, Frederiksberg C, Denmark
4. Department of Nutrition and Food Sciences, Nutritional Epidemiology, University of Bonn, Bonn, Germany