1. Department of Radiological Technology; Toranomon Hospital; Tokyo Japan
2. Okinaka Memorial Institute for Medical Research; Tokyo Japan
3. Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences; Kanazawa University; Kanazawa Ishikawa Japan
4. Department of Medical Radiology, Faculty of Medical Technology; Teikyo University; Tokyo Japan
5. Department of Hepatology; Toranomon Hospital; Tokyo Japan
6. Department of Radiology; Toranomon Hospital; Tokyo Japan
7. Department of Pathology; Toranomon Hospital; Tokyo Japan
8. Department of Ophthalmology; Japan Community Health Care Organization Tokyo Shinjuku Medical Center; Tokyo Japan