Heechan Kim, Ho-Jang Kwon, Jeongbae Rhie, Sinye Lim, Yun-Dan Kang, Sang-Yong Eom, Hyungryul Lim, Jun-Pyo Myong, Sangchul Roh

Ann Occup Environ Med.2017;29(1):49.  Published online 2017 October 9     DOI: http://dx.doi.org/10.1186/s40557-017-0204-x