1. Department of Respiratory Disease, Southern Tohoku General Hospital, Japan
2. Department of Pulmonary Medicine and Clinical Immunology, Dokkyo Medical University, Japan
3. Department of Radiology, Dokkyo Medical University, Japan
4. Department of Pathology, Southern Tohoku General Hospital, Japan
5. Department of Dermatology, Southern Tohoku General Hospital, Japan
6. Department of General Thoracic Surgery, Southern Tohoku General Hospital, Japan