- Subject has a positive urine test at screening for illegal drug use and/or history of substance abuse or dependence (alcohol or drugs as defined by DSM-IV TR criteria) within the past 12 months. Subject has a blood alcohol level of ≥ 15mg/dL (0.015%) at the Screening Visit. If a subject has a positive blood alcohol or positive illegal drug results, the subject is provisionally excluded and the test cannot be repeated without prior approval of the GSK medical monitor. NOTE: Subjects must be told to avoid consumption of alcoholic beverages for at least eight hours prior to the Screening Visit. The use of alcohol by subjects participating in the study is not recommended.