Affiliation: | (1) Department of Radiology, University of Occupational and Environmental Health, School of Medicine, 1–1 Iseigaoka, Yahata-nishiku, Kitakyushu-shi, 807–8555, Japan, JP;(2) Department of Respiratory Disease, University of Occupational and Environmental Health, School of Medicine, 1–1 Iseigaoka, Yahata-nishiku, Kitakyushu-shi, 807–8555, Japan, JP;(3) Department of First Internal Medicine, University of Occupational and Environmental Health, School of Medicine, 1–1 Iseigaoka, Yahata-nishiku, Kitakyushu-shi, 807–8555, Japan, JP |