1. Department of Nursing Universidad Alfonso X El Sabio Madrid Spain
2. Department of Nursing Research Nursing Group of Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM) Madrid Spain
3. Department of Nursing Hospital Universitario Clínico San Carlos Madrid Spain
4. Department of Psychology Universidad Complutense University Madrid Spain
5. Department of Nursing Universidad Complutense University Madrid Spain