1. National Hospital Organization, Tokyo National Hospital, Tokyo, Japan
2. Department of Medicine, Division of Respiratory Medicine and Allergology, Teikyo University, Tokyo, Japan
3. Department of Geriatric Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
4. Department of Respiratory Medicine, The University of Tokyo, Tokyo, Japan
5. Japan Anti-Tuberculosis Association, JATA Fukujuji Hospital, Tokyo, Japan