1. Critical Care Department 12 Octubre University Hospital Madrid Spain
2. Department of Nursing, Faculty of Nursing, Physiotherapy and Podology University Complutense of Madrid Madrid Spain
3. Department of Nursing Management University Hospital of Getafe Madrid Spain
4. Research Department, CIBER Enfermedades Respiratorias Instituto de Salud Carlos III Madrid Spain
5. Research department (Invecuid) Instituto de Investigación Sanitaria Hospital 12 de Octubre (imas12), Centro de Actividades Ambulatorias Madrid Spain
6. Cardiovascular Surgery Intensive Care Department Instituto Clínico Cardiovascular, Clinic University Hospital Barcelona Spain
7. Critical Care Department Vall Hebron University Hospital Barcelona Spain
8. Department of Nursing Escola Universitaria d'Infermeria Sant Pau (Hospital de la Santa Creu i Sant Pau) Barcelona Spain
9. Critical Care Department San Carlos University Hospital Madrid Spain
10. Critical Care Department Bellvitge University Hospital Barcelona Spain
11. Department of Fundamental and Medical Surgical Nursing, Faculty of Medicine and Health Sciences University of Barcelona Barcelona Spain