Authors: Hae Jin Jeong; Yeong Du Yoo; Nam Seon Kang; An Suk Lim; Kyeong Ah Seong; Sung Yeon Lee; Moo Joon Lee; Kyung Ha Lee; Hyung Seop Kim; Woongghi Shin; Seung Won Nam; Wonho Yih; Kitack Lee Journal: Proc Natl Acad Sci U S A Date: 2012-07-18 Impact factor: 11.205