Affiliation: | (1) Division of Otolaryngology, Shizuoka General Hospital, Kitaando, 420 Shizuoka, Japan;(2) Department of Otolaryngology, Osaka Medical School, Takatsuki-Shi, 569 Osaka, Japan;(3) 2nd Department of Internal Medicine, Chest Disease Research Institute, Sakyo-ku, 606 Kyoto, Japan;(4) Laboratory of Anatomic Pathology, Kyoto University Hospital, Sakyo-ku, 606 Kyoto, Japan |