1. Palliative Care Unit, Hospital Tornu, Buenos Aires, Argentina.
2. Programa Argentino de Medicina Paliativa, FEMEBA Foundation, Buenos Aires, Argentina.
3. Leeds Institute of Health Sciences, School of Medicine, University of Leeds, Leeds, United Kingdom.
4. International Association for Hospice and Palliative Care, Houston, Texas.
5. Division of Palliative Care Medicine, Department of Oncology, University of Alberta, Edmonton, Canada.
6. Supportive Care in Cancer Unit of the IRCCS Foundation, Milan, Italy.
7. Istituto per lo Studio e la Cura dei Tumori, Milan, Italy.
8. Department of Palliative Care and Rehabilitation Medicine, The University of Texas M. D. Anderson Cancer Center, Houston, Texas.