[1] Gyeongsang Natl Univ, Sch Med, Dept Thorac & Cardiovasc Surg, Chang Won, South Korea
[2] Gyeongsang Natl Univ, Changwon Hosp, Chang Won, South Korea
[3] Gyeongsang Natl Univ, Sch Med, Dept Radiol, Chang Won, South Korea
[4] Gyeongsang Natl Univ, Sch Med, Dept Internal Med, Chang Won, South Korea
[5] Hanyang Univ, Hanmaeum Changwon Hosp, Dept Obstet & Gynecol, Chang Won, South Korea
[6] Gyeongsang Natl Univ, Sch Med, Dept Obstet & Gynecol, Chang Won, South Korea
[7] Gyeongsang Natl Univ, Inst Hlth Sci, Jinju, South Korea
[8] Gyeongsang Natl Univ, Sch Med, Coll Med, Dept Obstet & Gynecol, 11 Samjeongja Ro, Changwon Si 51472, Gyeongsangnam D, South Korea
[9] Gyeongsang Natl Univ, Changwon Hosp, 11 Samjeongja Ro, Changwon Si 51472, Gyeongsangnam D, South Korea