Affiliation: | 1. Department of Internal Medicine, Hyogo Prefectural Tsukaguchi Hospital, Hyogo, Japan;2. Department of Internal Medicine, Division of Respiratory Medicine, Hyogo College of Medicine, Hyogo, Japan;3. Department of Pathology, Hyogo Prefectural Tsukaguchi Hospital, Hyogo, Japan;4. Department of Anatomic and Diagnostic Pathology, Dokkyo Medical University School of Medicine, Tochigi, Japan |