Affiliation: | 1. Iberoamerican Cochrane Centre, Barcelona, Spain;2. Intensive Care Unit, University Hospital de la Santa Creu I Sant Pau, Barcelona, Spain;3. Intermediate Care Unit, University Hospital de la Santa Creu I Sant Pau, Barcelona, Spain;4. Iberoamerican Cochrane Centre, Barcelona, Spain Mar University School of Nursing - Pompeu Fabra University, Barcelona, Spain |