[1] Umea Univ, Dept Publ Hlth & Clin Med, Umea, Sweden
[2] Uppsala Univ, Dept Med Sci, Cardiol, Uppsala, Sweden
[3] Univ Gothenburg, Dept Mol & Clin Med, Gothenburg, Sweden
[4] Linkoping Univ, Dept Med & Hlth Sci, Linkoping, Sweden
[5] Karolinska Inst Stockholm, Dept Med Solna, Stockholm, Sweden
[6] Skane Univ Hosp, Dept Cardiol, Clin Sci, Skane, Sweden