1. Department of Respiratory Medicine, Chutoen General MedicalCenter, Shizuoka, Japan
2. Department of Diagnostic Pathology, Chutoen General Medical Center, Shizuoka, Japan
3. Department of Diagnostic Pathology, Hamamatsu UniversityHospital, Shizuoka, Japan
4. Department of Regenerative and Infectious Pathology, Hamamatsu University School of Medicine, Shizuoka, Japan