1. Palliative Care Department, Hospital Duran i Reynals, Catalan Institute of Oncology, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
2. Bellvitge Biomedical Research Institute (IDIBELL), Bellvitge Biomedical Research Institute (IDIBELL), Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
3. Support and Palliative Care Service, Hospital Universitari de Girona Dr. Josep Trueta, Girona, Spain.
4. Palliative Care Research, Institut Català d'Oncologia, Girona, Spain.
5. WeCare: End of Life Care Chair, Medicine and Health Sciences School, Universitat Internacional de Catalunya, Barcelona, Spain.
6. Girona Biomedical Research Institute (IDIBGI), Girona, Spain.
7. Supportive Palliative Care Team, Hospital Universitari Arnau de Vilanova, Lleida, Spain.
8. Palliative Care Department, Hospital Universitario La Paz, Madrid, Spain.
9. Supportive Palliative Care Team, Hospital Universitari Santa Maria, Lleida, Spain.
10. Clinical Research and Clinical Trials Unit (UICEC), Bellvitge Biomedical Research Institute (IDIBELL), Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
11. Qualy Observatory, WHO Collaborating Center for Palliative Care Public Health Programs, Catalan Institute of Oncology, Barcelona, Spain.
12. Department of Palliative Care, University of Vic, Vic, Spain.
13. Department of Palliative Care and Rehabilitation Medicine, Division of Cancer Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
14. UT Graduate School of Biomedical Sciences at Houston, Houston, Texas, USA.