1 Department of Internal Medicine, Baerum Hospital Vestre Viken Trust, Gjettum, Norway; Department of Medical Research, Baerum Hospital Vestre Viken Trust, Gjettum, Norway. Electronic address: Marius.Myrstad@vestreviken.no.
2 Department of Internal Medicine, Baerum Hospital Vestre Viken Trust, Gjettum, Norway; Department of Medical Research, Baerum Hospital Vestre Viken Trust, Gjettum, Norway.
3 Baker Heart and Diabetes Institute, Sports Cardiology Laboratory, Melbourne, Australia.
4 Department of Medical Research, Baerum Hospital Vestre Viken Trust, Gjettum, Norway.
5 Department of Cardiovascular Diseases, KU Leuven, Leuven, Belgium.
6 Baker Heart and Diabetes Institute, Sports Cardiology Laboratory, Melbourne, Australia; Department of Medicine, St. Vincent's Hospital, University of Melbourne, Fitzroy, Australia.