1 Department of Sport Science and Clinical Biomechanics, Research Unit for Exercise Epidemiology, Center of Research in Childhood Health, University of Southern Denmark, Odense, Denmark.
2 Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
3 Channing Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital, Boston, MA, USA.
4 Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.