Affiliation: | 1. Health Sciences, University of Southampton, Southampton, UK;2. University of National and World Economy, Sofia, Bulgaria;3. Bulgarian Academy of Sciences, Sofia, Bulgaria;4. Department of Nursing Sciences, Institute of Health and Society, University of Oslo, Norway;5. School of Nursing, University of Navarra, Pamplona, Spain;6. Fundación Educación Salud y Sociedad, Murcia, Spain;7. Clinic of Social and Family Medicine, Faculty of Medicine, University of Crete, Iraklion, Crete, Greece;8. Radboud University Medical Centre, Radboud Institute for Health Sciences, Nijmegen, The Netherlands |