[1] Univ Southampton, Sch Hlth Sci, Southampton, Hants, England
[2] Univ Basel, Inst Nursing Sci, Basel, Switzerland
[3] Univ Witten Herdecke, Inst Nursing Sci, Witten, Germany
[4] Breast Canc Ctr, Haddaseh Med Ctr, Jerusalem, Israel
[5] Catharina Hosp, Dept Surg, Eindhoven, Netherlands
[6] Breast Canc Care, London, England
[7] Karolinska Inst, Div Nursing, Stockholm, Sweden