1. Department of Multidisciplinary Internal Medicine, Division of Respiratory Medicine and Rheumatology, Faculty of Medicine, Tottori University, Yonago, Tottori 683‑8503, Japan
2. Department of Respiratory Medicine, Yonago Medical Center, Yonago, Tottori 683‑0006, Japan
3. Department of Brain and Neurosciences, Division of Neurology, and 4Department of Pathology, Division of Pathology, Faculty of Medicine, Tottori University, Yonago, Tottori 683‑8503, Japan
4. Department of Pathology, Division of Pathology, Faculty of Medicine, Tottori University, Yonago, Tottori 683‑8503, Japan