1. Department of Medicine and Molecular ScienceGunma University Graduate School of Medicine Maebashi Japan
2. Department of Respiratory Medicine, Comprehensive Cancer Center, International Medical CenterSaitama Medical University Hidaka Japan
3. Division of Allergy and Respiratory Medicine, Integrative Center of Internal MedicineGunma University Hospital Maebashi Japan
4. Departments of Respiratory Medicine, National Hospital Organization Shibukawa Medical Center Shibukawa Japan
5. Department of Diagnostic PathologyGunma University Graduate School of Medicine Maebashi Japan
6. Gunma University Graduate School of Health Science Maebashi Japan