Dong Hyun Kim, Yon Soo An, Hyung Doo Kim, Kyoung Sook Jeong, Yeon-Soon Ahn, Kun-Hyung Kim, Youngki Kim, Han-Soo Song, Chul-Gab Lee, Young-Jun Kwon, Jin-Ha Yoon

Ann Occup Environ Med.2017;29(1):24.  Published online 2017 June 24     DOI: http://dx.doi.org/10.1186/s40557-017-0180-1