1 German Center for Child and Youth Health, Germany; Department of Medical Psychology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Development, Health and Disease Research Program, University of California, Irvine, School of Medicine, Irvine, California; Department of Pediatrics, University of California, Irvine, School of Medicine, Irvine, California. Electronic address: claudia.buss@charite.de.
2 German Center for Child and Youth Health, Germany; Pediatric Epidemiology, Department of Pediatrics, Medical Faculty, Leipzig University, Leipzig, Germany. Electronic address: jon.genuneit@medizin.uni-leipzig.de.