**Author details**

Kai-Lan Hsu1,2, Chih-Wei Chang1,2,3\*, Chyun-Yu Yang1,3 and Jou-Hua Wang<sup>1</sup>

\*Address all correspondence to: u7901064@yahoo.com.tw

1 Department of Orthopaedic Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan

2 Department of Biomedical Engineering, College of Engineering, National Cheng Kung University, Tainan, Taiwan

3 Bone and Joint Center, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
