1. Division of Molecular and Cellular Medicine, National Cancer Center Research Institute, Tokyo, Japan
2. Division of Respiratory Diseases, Department of Internal Medicine, The Jikei University School of Medicine, Tokyo, Japan
3. Department of Molecular and Cellular Medicine, Institute of Medical Science, Tokyo Medical University, Tokyo, Japan; and
4. Department of Respiratory Medicine, Respiratory Center
5. Department of Thoracic Surgery, and
6. Department of Pathology, Toranomon Hospital, Tokyo, Japan