[1] Pusan Natl Univ, Sch Med, Res Inst Convergence Biomed Sci & Technol, Dept Thorac & Cardiovasc Surg,Yangsan Hosp, Yangsan Si, Gyeongsangnam D, South Korea
[2] Pusan Natl Univ, Sch Med, Res Inst Convergence Biomed Sci & Technol, Yangsan Hosp,Dept Pediat, Yangsan Si, Gyeongsangnam D, South Korea
[3] Pusan Natl Univ, Sch Med, Res Inst Convergence Biomed Sci & Technol, Dept Thorac & Cardiovasc Surg,Yangsan Hosp, 20 Geumo Ro, Yangsan Si 50612, Gyeongsangnam D, South Korea