[1] Catholic Kwandong Univ, Dept Surg, Coll Med, Int St Marys Hosp, Incheon, South Korea
[2] Soonchunhyang Univ, Coll Med, Dept Surg, Seoul Hosp, Seoul, South Korea
[3] Sungkyunkwan Univ, Samsung Med Ctr, Dept Surg, Sch Med, Seoul, South Korea
[4] Myongji Hosp, Dept Surg, Goyang, South Korea
[5] Natl Canc Ctr, Breast Canc Ctr, Goyang, South Korea
[6] Univ Ulsan, Asan Med Ctr, Dept Surg, Coll Med, Seoul, South Korea
[7] Soonchunhyang Univ, Coll Med, Dept Surg, Bucheon Hosp, Bucheon, South Korea
[8] Jeonbuk Natl Univ, Dept Prevent Med, Med Sch, Jeonju, South Korea
[9] Jeonbuk Natl Univ, Jeonbuk Natl Univ Hosp, Res Inst Clin Med, Dept Surg, 20 Geonji Ro, Jeonju 54907, South Korea
[10] Biomed Res Inst, 20 Geonji Ro, Jeonju 54907, South Korea