Choi EH
Kim JS, Shim JW, Lee JH, Chang YS, Committee on Data Collection and Statistical Analysis, the Korean Society of Neonatology
Park HS
Chung BS, Park JS
Lee YH, Choe YJ, Cho SI, Park H, Bang JH, Lee JK
Lee JW, Lee M, Lee J, Kim YJ, Ha E, Kim HS
Chung MS, Shim M, Cho JS, Bang W, Kim SI, Cho SY, Rha KH, Hong SJ, Koo KC, Lee KS, Chung BH, Lee SH