Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany. rajni.nagrani@gmail.com. Leibniz Institute for Prevention Research and Epidemiology - BIPS, Bremen, Germany. Mediterranea Cardiocentro, Napoli, Italy. EPIMED Research Center, Department of Medicine and Surgery, University of Insubria, Varese, Italy. IRCCS Istituto Neurologico Mediterraneo Neuromed, Pozzilli, Italy. Department of Paediatrics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden. Department of Public Health and Primary Care, Ghent University, 9000, Ghent, Belgium. Department of Paediatrics, Medical School, University of Pécs, Pécs, Hungary. GENUD (Growth, Exercise, Nutrition, and Development) Research Group, University of Zaragoza, Zaragoza, Spain. Institute of Food Sciences, National Research Council, Avellino, Italy. National Institute for Health Development, Tallinn, Estonia. Institute of Statistics, Faculty of Mathematics and Computer Science, Bremen University, Bremen, Germany.