1. King's College London; Department of Palliative Care, Policy and Rehabilitation, Cicely Saunders Institute; London UK
2. King's College London; Institute of Psychiatry; Box P024 De Crespigny Park London UK SE5 8AF
3. University of Manchester; School of Nursing, Midwifery and Social Work; Jean McFarlane Building Oxford Road Manchester Greater Manchester UK M13 9PL
4. University of Amsterdam; Amsterdam Institute of Social Science Research; Amsterdam Netherlands
5. IRCCS Arcispedale S. Maria Nuova; Palliative Care Unit; Reggio Emilia Italy