Affiliation: | 1. Department of Respiratory Disease, University of Occupational and Environmental Health Japan, Kitakyushu, Japant-kawajiri@k5.dion.ne.jp;3. National Oomuta Hospital, Fukuoka, Japan;4. Institute of Industrial Ecological Sciences, University of Occupational and Environmental Health Japan, Kitakyushu, Japan;5. School of Health Sciences, University of Occupational and Environmental Health Japan, Kitakyushu, Japan |