1. Department of Respiratory Medicine; University of Occupational and Environmental Health; Kitakyushu Fukuoka Japan
2. Department of Respiratory Medicine; Tobata Kyoritsu Hospital; Kitakyushu Fukuoka Japan
3. Department of Dental Surgery; Tobata Kyoritsu Hospital; Kitakyushu Fukuoka Japan
4. Department of Respiratory Medicine; Wakamatsu Hospital of the University of Occupational and Environmental Health; Kitakyushu Fukuoka Japan
5. Department of Respiratory Medicine; Unit of Translational Medicine; Nagasaki University Graduate School of Biomedical Sciences; Nagasaki Japan