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Inclusion and exclusion criteria of theoretical papers.
| Inclusion | Exclusion |
|---|---|
| Years 2000–2016 | Reviews |
| Non-empirical papers (articles, editorial letters, etc.) | Non-English language studies |
| Studies about pros or cons of using QALYs in palliative care | |
| Studies about quantifying quality of EoLC |
QALY: Quality-Adjusted Life Year; EoLC: end-of-life care.
