[1] Orebro Univ, Sch Hlth & Med Sci, Orebro, Sweden
[2] Ersta Skondal Univ Coll, Dept Hlth Care Sci, Stockholm, Sweden
[3] Ersta Skondal Univ Coll, Dept Palliat Care Res, Stockholm, Sweden
[4] Linkoping Univ, Dept Hlth & Soc, Linkoping, Sweden
[5] Karolinska Inst, Dept Neurobiol Care Sci & Soc, Stockholm, Sweden