1. Division of Supportive and Palliative Care, National Cancer Centre Singapore, Singapore, Singapore;
2. Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore;
3. Medical Library, National University of Singapore Libraries, National University of Singapore, Singapore, Singapore;
4. Family Medicine Residency, National University Health System, Singapore, Singapore;
5. Palliative Care Institute Liverpool, Academic Palliative and End of Life Care Centre, University of Liverpool, Liverpool, England;
6. Education Department, Duke-NUS Graduate Medical School, Singapore, Singapore;
7. Centre for Biomedical Ethics, National University of Singapore, Singapore, Singapore