1. Palliative and Supportive Care Service, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
2. Chair of Geriatric Palliative Care, Service of Palliative and Supportive Care and Service of Geriatrics and Geriatric Rehabilitation, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
3. Institute of Higher Education and Research in Healthcare, University of Lausanne, Lausanne, Switzerland.
4. Chair of Palliative Care Nursing, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
5. Center for Integrative and Complementary Medicine, Division of Anesthesiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.