1. Radiography Department, Division of Allied Health, Singapore General Hospital , Outram Rd., Singapore 169608, Singapore
2. Department of Diagnostic Radiology, Division of Radiological Sciences, Singapore General Hospital , Outram Rd., Singapore 169608, Singapore
3. Duke-NUS Graduate Medical School , 8 College Road, Singapore 169857, Singapore
4. Department of Oncologic Imaging, National Cancer Centre Singapore , 30 Hospital Blvd., Singapore 168583, Singapore
5. Department of Orthopaedic Surgery, Division of Musculoskeletal Sciences, Singapore General Hospital , Outram Rd., Singapore 169608, Singapore
6. Health Services Research Unit, Singapore General Hospital , Outram Rd., Singapore 169608, Singapore
7. Department of Emergency Medicine, Division of Medicine, Singapore General Hospital , Outram Rd., Singapore 169608, Singapore