1. Microsurgery and Limb Reconstruction Department, Hospital for Traumatology and Orthopedics, Ho Chi Minh City, Ho Chi Minh City, Vietnam
2. Orthopedic and Rehabilitation Department, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
3. Department of Medical Statistics and Informatics, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam