[1] Univ Southern Denmark, Odense Univ Hosp, Dept Nephrol, Res Unit Nursing, Klovervaenget 6,11, DK-5000 Odense C, Denmark
[2] Randers Reg Hosp, Clin Res Unit, Randers, Denmark
[3] Odense Univ Hosp, Dept Nephrol, DK-5000 Odense, Denmark
[4] Univ Southern Denmark, Res Unit Nursing, Funen, Denmark