1. Division of Musculoskeletal Oncology, Department of Hand and Reconstructive Microsurgery, National University Hospital, National University Health System, Republic of Singapore
2. Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
3. Division of Orthopaedic Oncology, Department of Orthopaedics and Rehabilitation, University of Florida, Gainesville, Florida, USA