Hong MJ, Kim YT, Jou SS, Park AY
Kim JH, Kim SS, Ha KS, Bae J, Park Y
Kim H, Kim J, Cho JH, Shin SM, Kim HK, Kim J
Jung KH, Lee SH, Lee JH, Jo WM, Shin C, Kim JH
Yoon YH, Son KH, Kim JT, Baek WK, Kim KH, Lee KH, Han HS
Yang JH, Jun TG, Sung K, Choi JH, Lee YT, Park PW
Shin YH, Yu J, Kim KW, Ahn K, Hong SA, Lee E, Yang SI, Jung YH, Kim HY, Seo JH, Kwon JW, Kim BJ, Kim HB, Shim JY, Kim WK, Song DJ, Lee SY, Lee SY, Jang GC, Suh DI, Yang HJ, Kim BS, Choi SJ, Oh SY, Kwon JY, Lee KJ, Park HJ, Lee PR, Won HS, Hong SJ, the COCOA study group