1. Comprehensive Support Service—Palliative Care, Institut Català d'Oncologia, Badalona, Spain.
2. Palliative Care Service, Complejo Hospitalario Universitario de Badajoz, Badajoz, Spain.
3. Medical Oncology Service, Hospital Universitario de Torrejón, Torrejón de Ardoz, Spain.
4. Radiation Oncology Service, Hospital Universitario San Roque/Universidad Fernando Pessoa Canarias, Spain.
5. Pneumology Service, Hospital Universitari Germans Trias i Pujol, Badalona, Catalonia, Spain.
6. Pain Unit, Hospital General Universitario de Alicante, Alicante, Spain.
7. Palliative Care Service, Institut Català d'Oncologia (ICO), Bellvitge Biomedical Research Institute (IDIBELL), WeCare Chair: End of Life Care, Universitat Internacional de Catalunya, Barcelona, Spain.