Department of Exercise and Health Sciences, University of Stuttgart, Stuttgart, Germany. Sylvia.hansen@inspo.uni-stuttgart.de. Department of Exercise and Health Sciences, University of Stuttgart, Stuttgart, Germany. Division of Human Nutrition, Wageningen University, Wageningen, Netherlands. Charles Perkins Centre and School of Life and Environmental Biosciences, University of Sydney, Sydney, Australia. Department of Human Biology, Maastricht University, Maastricht, Netherlands. Department of Food and Environmental Sciences, University of Helsinki, Helsinki, Finland. Department of Pharmacology and Toxicology, Medical University of Sofia, Sofia, Bulgaria. MRC/ARUK Centre for Musculoskeletal Ageing Research, National Institute for Health Research (NIHR) Nottingham Biomedical Research Centre, Division of Physiology, Pharmacology and Neuroscience, School of Life Sciences, Queen's Medical Centre, Nottingham, UK. Center for Nutrition Research, University of Navarra, Pamplona, Spain. CIBERobn, Madrid, Spain. IMDEAfood, Madrid, Spain. Department of Nutrition, Exercise and Sports, University of Copenhagen, Copenhagen, Denmark. Human Nutrition Unit, School of Biological Sciences, University of Auckland, Auckland, New Zealand.