[1] Linkoping Univ, Dept Clin Physiol Linkoping, Linkoping, Sweden
[2] Linkoping Univ, Dept Hlth Med & Caring Sci, Linkoping, Sweden
[3] Lund Univ, Vaxjo Cent Hosp, Dept Clin Physiol, Clin Sci, Lund, Sweden
[4] Univ Leuven, Dept Cardiovasc Sci, Res Unit Hypertens & Cardiovasc Epidemiol, Leuven, Belgium
[5] Lund Univ, Blekinge Hosp, Dept Clin Physiol, Lund, Sweden
[6] Kalmar Cty Hosp, Dept Clin Physiol, Kalmar, Sweden
[7] Lund Univ, Fac Med, Dept Clin Sci Lund, Resp Med & Allergol, Lund, Sweden