The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics (explores what the body does to the drug), and anti-mycobacterial activity of bedaquiline (TMC207) in children and adolescents (0 months to less than \[\<\] 18 years of age) diagnosed with confirmed or probable pulmonary multidrug resistant tuberculosis (MDR-TB), in combination With a Background Regimen (BR) of MDR-TB Medications.