1. Department of Nursing and Midwifery, University of Stirling
2. Department of Nursing and Midwifery, University of Stirling,
3. Humbolt Universitat, Berlin, Germany,
4. Escola Universitaria D'Infermeria L'Hospital de la Santa Creu I Sant Pau, Barcelona, Spain,
5. University of Athens, Greece,
6. University of Turku, Finland