1. Professor, Lovisenberg Diaconal University College, Lovisenberggata 15B, 0456 Oslo, Norway
2. Assistant Professor, Pace University, College of Health Professions, Lienhard School of Nursing, 861 Bedford Road, Pleasantville, New York 10570
3. Professor, University of Stavanger, 4036 Stavanger, P.O. box 8600, Norway
4. Assistant Professor, Pace University, College of Health Professions, 163 William Street, New York 10038
5. Associate Professor, Lovisenberg Diaconal University College, Lovisenberggata 15B, 0456 Oslo, Norway