[1] Sophiahemmet Univ, S-11486 Stockholm, Sweden
[2] Sci Karolinska Inst, Div Nursing, Dept Neurolobiol Care Sci & Soc, Stockholm, Sweden
[3] Ersta Skondal Univ Coll, Dept Hlth Care, S-10061 Stockholm, Sweden
[4] Univ Agder, Fac Hlth & Sport Sci, Inst Hlth & Nursing Sci, N-4604 Kristiansand, Norway
[5] Univ Coll Sjaelland UCSJ, Sygeplejerskeuddannelsen, DK-4200 Slagelse, Denmark
[6] Univ Coll Lillebaelt, DK-5220 Odense SO, Denmark
[7] Arcada Univ Appl Sci, Helsinki 00550, Finland
[8] Univ Faroe Islands, Dept Nursing, Fac Nat & Hlth Sci, Faroe Isl, Denmark
[9] Univ Coll Lillebaelt, Dept Nursing, DK-5700 Svendborg, Denmark
[10] Univ Boras, Sch Hlth Sci, S-50190 Boras, Sweden
[11] Univ Akureyri, Sch Hlth Sci, IS-600 Akureyri, Iceland