[1] Halmstad Cent Hosp, Cardiac Care Unit, Dept Med, Halmstad, Sweden
[2] Halmstad Univ, Sch Social & Hlth Sci, Halmstad, Sweden
[3] Lund Univ, Dept Nursing, Lund, Sweden
[4] Linkoping Univ Hosp, Dept Cardiol, S-58185 Linkoping, Sweden
[5] Linkoping Univ, Fac Hlth Sci, Dept Med & Care, Linkoping, Sweden
[6] Qulturum, Dev Unit Primary Hlth Care, Jonkoping, Sweden