[1] Sun Yat Sen Univ, Affiliated Hosp 1, Dept Thorac Surg, Guangzhou 510080, Guangdong, Peoples R China
[2] Sun Yat Sen Univ, Affiliated Hosp 1, Dept Rehabil, Guangzhou 510080, Guangdong, Peoples R China
[3] Sun Yat Sen Univ, Minist Educ, Ctr Stem Cell Biol & Tissue Engn, Key Lab Stem Cells & Tissue Engn, Guangzhou 510080, Guangdong, Peoples R China