Affiliation: | 1Department of Respiratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan;2Health Administration Center and Division of Respiratory Medicine, Department of Medicine, Shiga University of Medical Science, Otsu, Shiga, Japan;3Department of thoracic surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan;4Health Administration Center, Shiga University of Medical Science, Seta-Tsukinowa-cho, Otsu, Shiga 520-2192, Japan |