Lee, Jung-Hoon
Kang, Eunji
Lee, Jungmin
Kim, Jungmin
Lee, Kyoung Hu
Han, Jieun
Kang, Hye Yoon
Ahn, Soshin
Oh, Youngmi
Shin, Dongkyu
Hur, Kyeyeon
Chae, Su Young
Song, Paul H.
Kim, Yong-In
Park, Jae Chan
Lee, Jae Il
Article History
Received: 4 October 2013
Accepted: 7 April 2014
First Online: 7 May 2014
Competing interests
: All authors are employees of Samsung Electronics Co. Ltd.