1. Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan;
2. Department of Respiratory Medicine, Japanese Red Cross Otsu Hospital, Otsu, Shiga, Japan;
3. Department of Respiratory Medicine, Nara Medical University, Kashihara, Nara, Japan;
4. Department of Health Informatics, Kyoto University School of Public Health, Kyoto, Japan;
5. Division of Respiratory Medicine, Respiratory Disease Center, Kitano Hospital, Osaka, Japan;
6. Department of Respiratory Medicine, Takatsuki Red Cross Hospital, Takatsuki, Osaka, Japan;
7. Department of Respiratory Disease, National Hospital Organization Kyoto Medical Center, Kyoto, Japan