1. Regional Centre for Palliative Care and Pain Treatment, Hospital Los Montalvos, Salamanca
2. Emergency Service, Pío del Río Hortega University Hospital, Valladolid
3. AECC-INSALUD Palliative Medicine Unit, Oncology Service, Valladolid University Hospital
4. Medina Urban Health Centre, Medina del Campo, Valladolid
5. Spanish Society for Palliative Care SECPAL, Palliative Medicine Unit, El Sabinal Hospital, Las Palmas de Gran Canaria
6. Oncology Service, Valladolid University Hospital, Universidad of Valladolid