| Affiliation: | 1. Division of Infectious Diseases and Respiratory Medicine, Department of Internal Medicine, National Defense Medical College, Saitama, Japan;2. Department of Internal Medicine, Japan Self-Defense Forces Central Hospital, Tokyo, Japan;3. Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan;4. Department of Internal Medicine, Mishuku Hospital, Tokyo, Japan;5. Department of Radiology, National Defense Medical College, Saitama, Japan;6. Division of Hematology and Rheumatology, Department of Internal Medicine, National Defense Medical College, Saitama, Japan |
