[1] Uppsala Univ, Dept Publ Hlth & Caring Sci, Sociomed Epidemiol, Box 564, S-75122 Uppsala, Sweden
[2] Karolinska Inst, Div Family Med & Primary Care, Dept Neurobiol Care Sci & Soc, Huddinge, Sweden
[3] Karolinska Univ Hosp, Funct Area Social Work Hlth Care, Stockholm, Sweden