1. Institute of Mathematics for Industry, Kyushu University, Fukuoka, Japan
2. Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Shogoin, Sakyo-ku, Kyoto, Japan
3. Department of Diagnostic Imaging and Nuclear Medicine, Graduate School of Medicine, Kyoto University, Shogoin, Sakyo-ku, Kyoto, Japan
4. Kyoto Preventive Medical Center, Nakagyo-ku, Kyoto, Japan
5. Terada Clinic, Respiratory Medicine and General Practice, Himeji, Hyogo, Japan
6. Respiratory Disease Center, Kitano Hospital, Tazuke Kofukai Medical Research Institute, Kitaku, Osaka, Japan
7. Department of Respiratory Medicine, Nara Medical University, Kashihara, Nara, Japan