We found out that printed corresponding author was Dong Jin Kim who was the first author not corresponding author. We apologize for any inconvenience caused, and would like to ask to change corresponding author from Dong Jin Kim to Wook Kim.
Before correction
Correspondence to Dong Jin Kim
Department of Surgery, The Catholic University of Korea St. Paul's Hospital, The Catholic University of Korea College of Medicine, 180 Wangsan-ro, Dongdaemun-gu, Seoul 02559, Korea.
djdjcap@catholic.ac.kr
After correction
Correspondence to Wook Kim
Department of Surgery, The Catholic University of Korea Yeouido St. Mary's Hospital, The Catholic University of Korea College of Medicine, 10, 63-ro, Yeongdeungpo-gu, Seoul 07345, Korea.
kimwook@catholic.ac.kr