11. Women of pregnancy potential must practice an effective method of birth control during the course of the study, in a manner such that risk of failure is minimized. Prior to study enrollment, women of childbearing potential (WOCBP) (defined as not post-menopausal for 12 months or no previous surgical sterilization) must be advised of the importance of avoiding pregnancy during trial participation and the potential risk factors for an unintentional pregnancy.