T_1.id _END_ T_1.subject_id _END_ System.AccessViolationException was unhandled Message: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. T_1.date_of_birth T_1.gender T_1.cancer T_1.gender-T_1.cancer=2 _END_ T_1.gender T_1.cancer redCapFamilyHist_riskFactors.gender-redCapFamilyHist_riskFactors.cancer>2 _END_ T_1.date_of_birth T_1.gender T_1.cancer - T_1.gender > 2 _END_