 6. All sexually active subjects of child-bearing potential CBP must agree to use adequate contraception hormonal or barrier method of birth control for the duration of study participation from signing of consent till 30 days post injection. Should a male patients sexual partner become pregnant or suspects that she is pregnant while the patient is participating in the study, the treating physician should be notified immediately. Female subjects of CBP must have a negative serum pregnancy test within 24 hours prior to the administration of the protocol imaging agent. 