1. Palliative Care Service, Catalan Institute of Oncology, Barcelona, Spain.
2. Palliative Care Department, University Hospital Arnau de Vilanova, Lleida, Spain.
3. Clinical Pharmacology Department, University Hospital Bellvitge, Spain.
4. The Qualy Observatory, Barcelona, Spain.
5. Palliative Care Department, Hospital del Mar, Barcelona, Spain.
6. Radiation Oncology Department, Hospital Clinic, Barcelona, Spain.
7. Palliative Care Department, University Hospital Vall d'Hebron, Barcelona, Spain.
8. Palliative Care Department, University Hospital de la Sta. Creu i St. Pau, Barcelona, Spain.
9. Palliative Care Department, University Hospital St. Joan, Reus, Spain.
10. Palliative Care Department, Parc Taulí Health Coorporation, Sabadell, Spain.
11. Palliative Care Department, Hospital Asil de Granollers, Granollers, Spain.
12. Palliative Care Department, Terrassa Health Consortium, Terrassa, Spain.
13. Department of Clinical Sciences, University of Barcelona, Barcelona, Spain.
14. WHO Collaborating Centre for Public Health Palliative Care Programmes, Barcelona, Spain.