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Inclusion criteria for the enrolled families.
| Inclusion Criteria | Families: n (%) |
|---|---|
| Three or more family members with breast and/or ovarian cancer | 148 (29.8%) |
| Two family members with breast and/or ovarian cancer | 166 (33.6%) |
| Single affected individual with breast cancer age ≤35 | 87 (17.9%) |
| Single affected individual with breast cancer age 36–50 | 91 (18.7%) |
| Total | 492 (100%) |
