1. Department of Geratology, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
2. Department of CT/MRI, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)
3. Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, Hebei, China (mainland)