Chang YS
Yang HJ, Oh SJ, Hong ST
Bae H, Kim D, Cho Y, Kim D, Kim SH
We JS, Han K, Kwon HS, Kil K
Youn Y, Lee SM, Hwang JH, Cho SJ, Kim EK, Kim EA, Korean Neonatal Network
Kim HS, Kim DH, Yoon HJ, Lee WJ, Woo SH, Choi SP
Moon H, Lee Y, Kim S, Kim DK, Chin HJ, Joo KW, Kim YS, Na KY, Han SS
Seo JY, Ha KY, Kim YH, Kim SC, Yoon EJ, Park HY