1 Energy Metabolism Laboratory, Institute of Translational Medicine, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, 8603 Zurich, Switzerland.
2 Department of Molecular Metabolism, Harvard T.H. Chan School of Public Health, Boston, MA, USA.
3 Laboratory of Exercise and Health, Institute of Human Movement Sciences and Sport, Department of Health Sciences and Technology, Swiss Federal Institute of Technology (ETH) Zurich, 8603 Zurich, Switzerland.
4 Division of Genetics, Brigham and Women's Hospital; Department of Medicine, Harvard Medical School, Boston, MA, USA.
5 Department of Molecular Metabolism, Harvard T.H. Chan School of Public Health, Boston, MA, USA. Electronic address: bmanning@hsph.harvard.edu.