1 Division of Infectious Diseases and Respiratory Medicine, Department of Internal Medicine, National Defense Medical College, Saitama, Japan; Department of Internal Medicine, Japan Self-Defense Forces Central Hospital, Tokyo, Japan.
2 Division of Infectious Diseases and Respiratory Medicine, Department of Internal Medicine, National Defense Medical College, Saitama, Japan; Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan. Electronic address: junmiyata.a2@keio.jp.
3 Division of Infectious Diseases and Respiratory Medicine, Department of Internal Medicine, National Defense Medical College, Saitama, 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.