1. University Centre for Nursing and Midwifery, Department of Public Health and Primary Care Ghent University Ghent Belgium
2. Faculty of Medicine and Life Sciences Hasselt University Hasselt Belgium
3. Psychiatric Hospital Bethanië, Emmaus Group Zoersel Belgium
4. Nursing Department Ghent University Hospital Ghent Belgium
5. Alexianen Psychiatric Hospital Tienen, Alexianen Care Group Tienen Belgium
6. Faculty of Psychology Free University of Brussels Brussels Belgium
7. Department of Nursing VIVES University College Roeselare Belgium