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| Intervention Intensity | Intensity level definition | # of Studies |
|---|---|---|
| Level 1 | Single contact in hospital lasting ≤15 minutes, no follow-up support | 1 |
| Level 2 | ≥1 contacts in hospital lasting in total >15 minutes, no f/u support | 8 |
| Level 3 | Any hospital contact plus follow-up ≤ month | 6 |
| Level 4 | Any hospital contact plus follow-up >1 month | 18 |
