The investigator is responsible for ensuring that subjects understand how to properly use the following methods of contraception. Male subjects with female partners of child bearing potential must comply with the following contraception requirements from the time of first dose of study medication until [at least five half-lives of study medication OR for a cycle of spermatogenesis following five terminal half-lives] after the last dose of study medication: vasectomy with documentation of azoospermia, male condom plus partner use of one of the contraceptive options below: