1. Department of Respiratory Medicine and Allergy; Tosei General Hospital; Seto Japan
2. Center for Advanced Medicine and Clinical Research; Nagoya University Hospital; Nagoya Japan
3. Department of Respiratory Medicine; Nagoya University Graduate School of Medicine; Nagoya Japan
4. Department of Radiology; Kinki Central Hospital of Mutual Aid Association of Public Health Teachers; Itami Japan
5. Department of Laboratory of Pathology; Nagasaki University Hospital; Nagasaki Japan