1. Division of General Thoracic Surgery, Department of Surgery Shinshu University School of Medicine Nagano Japan
2. First Department of Internal Medicine Shinshu University School of Medicine Nagano Japan
3. Department of Radiology Shinshu University School of Medicine Nagano Japan
4. Faculty of Pharmaceutical Sciences Teikyo Heisei University Tokyo Japan
5. Center for Clinical Research Shinshu University Hospital Nagano Japan