[1] Univ Texas Arlington, Dept Bioengn, Arlington, TX 76010 USA
[2] Penn State Univ, Huck Inst Life Sci, Mat Res Inst, Dept Bioengn, University Pk, PA 16802 USA
[3] Southern Med Univ, Affiliated Hosp 3, Acad Orthoped Guangdong Prov, Guangzhou 510280, Guangdong, Peoples R China