1. Cancer Science Institute of Singapore, National University of Singapore, Singapore;
2. Department of Pathology, National University Hospital, National University Health System, Singapore;
3. Department of Pathology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;
4. Department of Orthopaedic Surgery, National University Hospital, Singapore;
5. Department of Orthopedic Surgery, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;
6. National University Cancer Institute, Singapore;
7. Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore;
8. Department of Haematology-Oncology, National University Cancer Institute of Singapore, National University Health System, Singapore; and
9. Department of Anatomy, Yong Loo Lin School of Medicine, National University of Singapore, Singapore