[1] Karolinska Inst, Med Management Ctr, Dept Learning Informat Management & Eth, Procome Res Grp, SE-17177 Stockholm, Sweden
[2] Ctr Epidemiol & Community Med CES, Unit Implementat & Evaluat, SE-17129 Stockholm, Stockholm Regio, Sweden
[3] Linkoping Univ, Dept Hlth Med & Caring Sci, Div Publ Hlth, Linkoping, Sweden
[4] Malardalen Univ, Sch Hlth Care & Social Welf, Box 883, S-72123 Vasteras, Sweden
[5] Oslo Metropolitan Univ, Fac Hlth Sci, Dept Behav Sci, SCBE Res Grp, St Olavs plass,POB 4, NO-0130 Oslo, Norway