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Journals of publication of included studies
| Journal | Number | Percent |
|---|---|---|
| Eur J Health Econ | 3 | 8.6% |
| Health Policy | 3 | 8.6% |
| Z Evid Fortbild Qual Gesundhwes | 3 | 8.6% |
| Dtsch Arztebl Int | 2 | 5.7% |
| Othersa | 24 | 68.6% |
| Total | 35 | 100.0% |
aJournals with one included study each
