作者单位Bioengineering Laboratory,Department of Orthopedic Surgery,Massachusetts General Hospital/Harvard Medical School,Boston 02114,USA;苏州大学附属第一医院骨科,苏州215000[1]Bioengineering Laboratory,Department of Orthopedic Surgery,Massachusetts General Hospital/Harvard Medical School,Boston 02114,USA;中南大学湘雅二医院,脊柱外科,长沙410011[2]Bioengineering Laboratory,Department of Orthopedic Surgery,Massachusetts General Hospital/Harvard Medical School,Boston 02114,USA[3]