1. Department of Respiratory Medicine; Nagoya University Graduate School of Medicine; Nagoya Japan
2. Department of Biostatistics; Nagoya University Graduate School of Medicine; Nagoya Japan
3. Department of Respiratory Medicine; Toyota Memorial Hospital; Toyota Japan
4. Department of Infectious Diseases; Nagoya University Hospital; Nagoya Japan
5. Department of Respiratory Medicine and Allergy; Tosei General Hospital; Seto Japan
6. Department of Respiratory Medicine; National Hospital Organization, Nagoya Medical Center; Nagoya Japan