1. Division of Central Radiology, Nara Medical University Hospital
2. Clinical Radiology Service, Koseikai Takai Hospital
3. Department of Central Radiology, Tenri Hospital
4. Department of Medical Technology, Division of Radiology, Osaka University Hospital
5. Department of Central Radiology, Osaka City University Hospital
6. Department of Medical Technology, Division of Radiology, Osaka General Medical Center
7. Department of Radiological Technology, Faculty of Fukuoka Medical Technology, Teikyo University