1. Lower limb surgery Department, Hospital for Traumatology and Orthopaedics at Ho Chi Minh City, 929 Tran Hung Dao Street, Ward 1, District 5, Ho Chi Minh City, Viet Nam
2. Pham Ngoc Thach University of Medicine, 2 Duong Quang Trung Street, Ward 12, District 10, Ho Chi Minh City, Viet Nam
3. Faculty of Medicine, Buon Ma Thuot Medical University, 298 Ha Huy Tap Street, Buon Ma Thuot city, Dak Lak province, Viet Nam
4. Orthopaedic - Burn - Plastic Surgery Department, City Children's Hospital, 15 Vo Tran Chi Street, Tan Kien Ward, Binh Chanh District, Ho Chi Minh City, Viet Nam