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Number of distributed questionnaires and valid return rates of the participating hospitals
| Hospital | Distributed questionnaires n | Valid return n (%) |
|---|---|---|
|
Amsterdam |
998 |
75 (7.5%) |
|
Copenhagen |
207 |
91 (44%) |
|
Denain |
60 |
26 (43.3%) |
| Sofia | 53 | 31 (58.5%) |
