[1] Linkoping Univ, Dept Hlth Med & Caring Sci, Campus US 511-13, SE-58225 Linkoping, Sweden
[2] Lund Univ, Ctr Primary Hlth Care Res, Dept Clin Sci Malmo, Malmo, Sweden
[3] Univ Gothenburg, Sahlgrenska Acad, Ctr Person Ctr Care GPCC, Gothenburg, Sweden
[4] Uppsala Univ, Dept Publ Hlth & Caring Sci, Uppsala, Sweden