1. Center for Graduate Medical Education, Okayama University Hospital, Japan
2. Allergy and Respiratory Medicine, Okayama University Hospital, Japan
3. Center for Clinical Oncology, Okayama University Hospital, Japan
4. Hematology, Oncology and Respiratory Medicine, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
5. Departments of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Japan
6. Department of Medical Technology, Okayama University Graduate School of Health Sciences, Japan