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Most frequently utilized approaches to consent for collection of biospecimens
| Type of Consent | % (n) |
|---|---|
| Study-specific consent for use limited to protocol hypothesis | 24% (27) |
| Tiered consent (offering multiple options for future uses) | 24% (27) |
| Broad consent for future unspecified uses | 25% (28) |
| Waiver of consent | 2% (3) |
| Did not collect biospecimens/Did not answer/Other | 25% (29) |
