1. Institute of Kaschin-Beck Disease, Center for Endemic Disease Control, Centers for Disease Control and Prevention, Harbin Medical University
2. Departments of Orthopaedic Surgery-Campbell Clinic, and Pathology, University of Tennessee Health Science Center (UTHSC)
3. Department of Ultrasound, Hongqi Hospital of Mudanjiang Medical University
4. Department of Medicine, University of Tennessee Health Science Center