3. Female subjects with a negative pregnancy test confirmed at screening and on an acceptable form of birth control. Acceptable forms of birth control on this study include oral or injectable contraceptive, contraceptive patches, Depo-Provera, NuvaRing, Implanon, double barrier methods, IUD, same sex partner, or abstinence. Males will be required to use an acceptable method of birth control: vasectomy, double-barrier method, condom with spermicidal lube, or abstinence.