1. Department of Respiratory MedicineTokyo Metropolitan Tama Medical Centre, 2‐8‐29 MusashidaiFuchu Tokyo Japan
2. Department of Basic Mycobacteriology, Graduate School of Biomedical ScienceNagasaki University, 1‐12‐4 SakamotoNagasaki‐shi Nagasaki Japan
3. Division of Infectious Disease, Osaka Prefectural Medical Centre for Respiratory and Allergic Diseases, 3‐7‐1 HabikinoHabikino city Osaka Japan
4. Department of Respiratory Medicine, National Hospital Organization Ibaraki Higashi National Hospital, Terunuma 825, Tokai‐muraNaka‐gun Ibaraki Japan
5. Department of Respiratory Medicine, National Hospital Organization, Higashinagoya National Hospital, 5‐101 Umemorizaka, Meito‐kuNagoya Aichi Japan
6. Department of Respiratory Diseases, National Hospital Organization, Higashihiroshima Medical Centre, 513 Jike, Saijo‐choHigashihiroshima Hiroshima Japan
7. Department of Respiratory Medicine, Kanazawa Municipal Hospital, 3‐7‐3 Heiwa‐machiKanazawa Ishikawa Japan
8. Department of Mycobacterium Reference and ResearchResearch Institute of Tuberculosis, Japan Anti‐Tuberculosis Association, 3‐1‐24 MatsuyamaKiyose Tokyo Japan