1. Department of Nursing Research Hospital Universitario de Getafe Madrid Spain
2. Nursing Research Support Unit, General University Hospital, Gregorio Marañón Gregorio Maranon Health Research Institute (IiSGM) Madrid Spain
3. Red Cross University School of Nursing Autonomous University of Madrid Madrid Spain
4. Faculty of Medicine and Health Sciences Universidad de Barcelona Barcelona Spain
5. Division of Pulmonary, Critical Care and Sleep Medicine University of California Davis Medical Center (EEUU) Sacramento California USA
6. Intensive Care Unit Hospital Universitario de Getafe Madrid Spain
7. Department of Medicine, Faculty of Biomedical and Health Sciences Universidad Europea de Madrid Madrid Spain
8. Geriatric Department Hospital Universitario de Getafe Madrid Spain
9. Critical Cardiology Care Unit Hospital Universitario 12 de Octubre Madrid Spain
10. Department of Nursing, Faculty of Nursing, Physiotherapy, and Podology Complutense University of Madrid Madrid Spain
11. Intensive Care Unit Hospital Universitario 12 de Octubre Madrid Spain
12. Intensive Care Unit Hospital Virgen de la Salud Toledo Spain
13. Intensive Care Unit HM Hospitales Madrid Spain
14. Intensive Care Unit Hospital Universitario del Henares Madrid Spain
15. Grupo estable de investigación en Patología Crítica. Facultad de Medicina Universidad Francisco de Vitoria Madrid Spain
16. Royal Brompton and Harefield Hospital Trust London UK
17. Area of Nursing Professional Development Clínica Universidad de Navarra Pamplona Spain
18. Faculty of Nursing University of Navarra Pamplona Spain
19. Navarra Institute for Health Research (IdiSNA) Pamplona Spain
20. Section of Critical Care Medicine, Department of Medicine University of Manitoba Winnipeg Manitoba Canada
21. Intensive Care Unit, Broomfield Hospital Mid Essex NHS Foundation Trust Chelmsford UK