14. Use of any herbal medicines (eg. St. John's wort), vitamins, and supplements consumed by the subject within 7 days prior to receiving the first study treatment. However, if a subject has used herbal medicines (eg, St. John's wort), vitamins, and supplements medication within 7 days of the first study drug administration, he/she can be included in the study if according to the investigator the medication is not relevant within the context of the trial.