[1] Univ Copenhagen Hosp, Juliane Marie Ctr Women Children & Reprod, DK-2100 Copenhagen, Denmark
[2] Linkoping Univ, Unit Hlth Psychol, Linkoping, Sweden
[3] Lund Univ, Unit Caring Sci, S-22100 Lund, Sweden
[4] Linkoping Univ, Div Nursing Sci, Linkoping, Sweden