1. Department of Radiology; Mackay Memorial Hospital, Taipei Branch; Taipei Taiwan
2. Department of Medicine; Mackay Medical College; Taipei Taiwan
3. Mackay Junior College of Medicine, Nursing and Management; Taipei Taiwan
4. Department of Radiology; Mackay Memorial Hospital, Taitung Branch; Taitung Taiwan
5. Department of Pathology; Mackay Memorial Hospital; Taipei Branch; Taipei Taiwan