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| Database | Median | IQR |
|---|---|---|
| Magazine of (Dutch society of) otorhinolaryngology | 5 | 2 |
| Dutch Medical Magazine (NTvG) | 4 | 2 |
| Pubmed/Embase | 6 | 1 |
| National guidelines (ENT / CBO) | 6 | 0 |
| 5 | 2 | |
| Cochrane | 4 | 1 |
| UpToDate | 4 | 2 |
1: unknown, 2: aware of the existence but I don’t use it, 3: I know how to find it but I don’t use it, 4: seldom use (<1x month), 5: occasional use (± 1 month), 6: often (weekly), 7: always (daily).
