 - Subjects taking the following antimicrobial agents: Aminoglycosides, Azole antifungals fluconazole, miconazole, voriconazole, itraconazole, Macrolides clarithromycin, erythromycin, Antivirals nelfinavir, indinavir, saquinavir, ritonavir, elbasvirgrazoprevir, Rifampin 