1. Research Group Health and Health Care, Nursing Department, University of Girona, 17003 Girona, Spain
2. Nursing Department, University of Vic, 08242 Manresa, Spain
3. Department of Neurology, Dr. Josep Trueta University Hospital, 17007 Girona, Spain
4. Quality of Life Research Institute, University of Girona, 17003 Girona, Spain
5. Hospital of Figueres, Fundació Salut Empordà, 17600 Figueres, Spain