华中科技大学同济医学院第二临床学院教学研究基金:“三维打印及虚拟手术技术创建骨科教学病例数据库及应用”(2015JXYJJJ25)The Teaching Research Fund from The Second Clinical College of Tongji Medical College,Huazhong University of Science and Technology:"The research of 3D printing and computer modeling technology in orthopedic clinical teaching" (2015JXYJJJ25)