[1] Sor Trondelag Univ Coll, Fac Nursing, Trondheim, Norway
[2] HIST NTNU, Res Ctr Hlth Promot & Resources, Trondheim, Norway
[3] Sor Trondelag Univ Coll, Trondheim Business Sch, Trondheim, Norway
[4] Norwegian Univ Sci & Technol, Fac Med & City Execut Hlth & Welf Serv, Trondheim, Norway
[5] NTNU Dragvoll, Dept Social Work & Hlth Sci, Trondheim, Norway
[6] Sor Trondelag Univ Coll, Trondheim, Norway