1. Department of Nursing, University of Alicante, Carretera de San Vicente del Raspeig s/n, 03690 Alicante, Spain
2. ENDOCU Research Group (Nursing, Pain and Care), University of Castilla-La Mancha, 45071 Toledo, Spain
3. S. João de Deus Higher School of Nursing, University of Évora, Largo do Sr. da Pobreza 2B, 7000-811 Évora, Portugal
4. Health Sciences Research Unit: Nursing (UICISA: E), Nursing School of Coimbra (ESEnfC), 3004-011 Coimbra, Portugal
5. Center for Interdisciplinary Studies (CEIS20), University of Coimbra, 3000-456 Coimbra, Portugal
6. Faculty of Physiotherapy and Nursing, Toledo Campus, University of Castilla-La Mancha, 45071 Toledo, Spain