 - Lack of safe contraception: Safe contraception is defined as follows:Female and male subjects of childbearing potential, using and willing to continue using a medically reliable method of double barrier contraception for the entire study duration and the next 2 years, such as oral, injectable, or implantable contraceptives, or intrauterine contraceptive devices in combination with preservatives. Or subjects who are using any other method considered sufficiently reliable by the investigator in individual cases.Subjects who are surgically sterilizedhysterectomized or post-menopausal for longer than 2 years are not considered as being of child bearing potential. 