1. Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
2. Department of Psychology, University of Turin, Turin, Italy
3. Institute of Pedagogy, University of Silesia, Katowice, Poland
4. Department of Health Science, Fulda University of Applied Sciences, Fulda, Germany, and Centre for Applied Health Science, Lueneburg, Germany
5. Centre for Applied Health Science, Leuphana University Lueneburg, Lueneburg, Germany
6. Department of Public and Community Health, University of West Attica, Athens, Greece
7. Department of Psychology, Milano-Bicocca University, Milan, Italy
8. Department of Educational Sciences, University of Extremadura, Extremadura, Spain
9. School of Nursing, University of Minho, Minho, Portugal
10. Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), Coimbra, Portugal