1. Department of Respiratory Medicine, Kanazawa University Hospital , Kanazawa, Ishikawa, Japan
2. Department of Dermatology, Faculty of Medicine, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University , Kanazawa, Ishikawa, Japan
3. Department of Diagnostic Pathology, Kanazawa University Hospital , Kanazawa, Ishikawa, Japan
4. Department of Pathology, Kobe University Hospital , Kobe, Hyogo, Japan