1. Department of Cardiology, Aarhus University Hospital, 8200 Aarhus N, Aarhus, Denmark
2. Department of Endocrinology, Aarhus University Hospital, 8200 Aarhus N, Aarhus, Denmark
3. VIA University College, Nurse Education, 8200 Aarhus N, Aarhus, Denmark
4. VIA University College, Nurse Education, 8600 Silkeborg, Denmark
5. Department of Nursing Science, Institute of Health and Society, University of Oslo, 0318 Oslo, Norway