1. Department of Nursing Science Faculty of Health Sciences University of Eastern Finland (UEF) Kuopio Finland
2. Abdominal Center Helsinki University Hospital (HUS)University of Helsinki Helsinki Finland
3. Kuopio University Hospital (KUH) Kuopio Finland
4. School of Nursing & Midwifery Centre for Quality and Patient Safety Research Institute for Health TransformationDeakin University Burwood Vic. Australia