[1] Linkoping Univ, Dept Hlth, Med & Caring Sci, Campus US,Bldg 511, SE-58183 Linkoping, Sweden
[2] Uppsala Univ, Ctr Clin Res Sormland, SE-63188 Eskilstuna, Sweden
[3] Dalarna Univ, Sch Hlth & Welf, Dept Med & Sport Sci, S-79188 Falun, Sweden
[4] Malardalen Univ, Sch Hlth, Dept Physiotherapy, Care & Social Welf, S-72123 Vasteras, Sweden
[5] Linkoping Univ, Dept Cardiol, Linkoping, Sweden