1. ATLANTES Research Program, Institute for Culture and Society, University of Navarra, Pamplona, Spain.
2. IdiSNA (Instituto de Investigación Sanitaria de Navarra/Institute of Health Research of Navarra), Pamplona, Spain.
3. International Association for Hospice and Palliative Care, Houston, Texas.
4. Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, New York.