1 Department of Respiratory Medicine, National Hospital Organization Tokyo Medical Center, Meguro, Tokyo, Japan; Department of Pulmonary Medicine, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku, Tokyo 160-8582, Japan. Electronic address: [email protected].
2 Department of Respiratory Medicine, National Hospital Organization Tokyo Medical Center, Meguro, Tokyo, Japan.
3 Department of Pathology, National Hospital Organization Tokyo Medical Center, Meguro, Tokyo, Japan.
4 Department of Hematology, National Hospital Organization Tokyo Medical Center, Meguro, Tokyo, Japan.