1. Department of Radiological Technology, Faculty of Health and Welfare, Tokushima Bunri University
2. Division of Health Sciences, Graduate School of Medical Sciences, Kanazawa University
3. Department of Radiology, Kurihara Central Hospital
4. Department of Radiology, Osaka Medical College Hospital
5. Division of Central Radiology, Nara Medical University Hospital
6. Department of Radiology, The University of Tokyo Hospital
7. Department of Radiological Technology, Sakai City Medical Center
8. Department of Radiology, Daini Osaka Police Hospital
9. Division of Radiological Technology, Osaka City University Hospital
10. Department of Radiology, Osaka Red Cross Hospital