[1] Chonnam Natl Univ, Dept Med Sci, Grad Sch, Gwangju, South Korea
[2] Chonnam Natl Univ, Chonnam Natl Univ Hosp, Dept Thorac & Cardiovasc Surg, Med Sch, Gwangju, South Korea
[3] Chonnam Natl Univ Hosp, Extracorporeal Circulat Res Team, Gwangju, South Korea
[4] Chonnam Natl Univ, Med Sch, Dept Biomed Sci, Grad Sch, Gwangju, South Korea
[5] Chonnam Natl Univ, Childrens Hosp, Dept Pediat, Med Sch, Gwangju, South Korea