Egil Henriksen, MD a, b, c, d, ⁎, Johan Landelius, MD a, b, c, d, Lars Wesslén, MD a, b, c, d, Toomas Kangro, MD a, b, c, d, Tommy Jonason, MD a, b, c, d, Christina Nyström-Rosander, MD a, b, c, d, Urban Niklasson, MD a, b, c, d, Henrik Arnell, MD a, b, c, d, Christer Rolf, MD a, b, c, d, Eskil Hammarström, MD a, b, c, d, Christer Lidell, MD a, b, c, d, Ivar Ringqvist, MD a, b, c, d, Göran Friman, MD a, b, c, d
a Department of Clinical Physiology and Department of Research, Central Hospital, VästeråsSweden
b Department of Clinical Physiology, and Department of Infectious Diseases, University Hospital, UppsalaSweden
c Section of Sports Medicine, Department of Orthopaedic Surgery, Huddinge Hospital, Karolinska Institute, StockholmSweden
d Department of Cardiology, University Hospital, Uppsala, Sweden