1. Department of Pulmonary Medicine, National Hospital Organization, Higashinagoya National Hospital, 5-101 Umemorizaka, Meito-ku, Nagoya, Aichi 468-8620, Japan
2. Department of Respiratory Medicine, Nagoya University Graduate School of Medicine, Showa-ku, Nagoya 466-8560, Japan
3. Department of Neuropsychopharmacology and Hospital Pharmacy, Nagoya University Graduate School of Medicine, Showa-ku, Nagoya 466-8560, Japan
4. Department of Pharmacy, National Hospital Organization, Toyohashi Medical Center, Toyohashi 440-8510, Japan
5. Department of Infectious Diseases, Nagoya University Graduate School of Medicine, Showa-ku, Nagoya 466-8560, Japan