1. , Technical University of Munich, , , , Germany
2. Department of Nursing Science II, , , , , Germany
3. , , , Israel
4. , University of Haifa, , , Israel
5. , Fulda University of Applied Sciences, , Germany
6. , Leuphana University Lueneburg, , Germany
7. , University of Jyväskylä, , Finland
8. , , Bielefeld University, Universitätsstraßze 25, , Germany
9. , , , Denmark