1. Department of Orthopaedics, Faculty of Medicine Khon Kaen University Khon Kaen Thailand
2. Musculoskeletal Oncology Research Group Khon Kaen University Khon Kaen Thailand
3. Department of Orthopaedics, Faculty of Medicine Chiangmai University Chiangmai Thailand
4. Department of Orthopaedic Surgery, Graduate School of Medical Sciences Nagoya City University Nagoya Japan