1. Department of Public Health, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands
2. International Observatory on End of Life Care, Division of Health Research, Lancaster University, Lancaster, UK
3. Julius Centre for Health Sciences and Primary Care, UMC Utrecht, Utrecht, The Netherlands
4. End-of-Life Care Research Group, Vrije Universiteit Brussel (VUB) & Ghent University, Brussels, Belgium
5. Clinical Epidemiology, Oncological network, prevention and research Institute (ISPRO), Florence, Italy
6. Department of Public Health, University of Copenhagen, Copenhagen, Denmark
7. Department of Palliative Medicine, The Research Unit, Bispebjerg Hospital, Copenhagen, Denmark
8. Tuscany Region Health Agency, Italy
9. University Clinic of Respiratory and Allergic Diseases Golnik, Golnik, Slovenia
10. Division of Health Research, Lancaster University, Lancaster, UK
11. School of Health Sciences, University of Nottingham, Nottingham, UK