Youn Joo Choi, Tae Wan Kim, Suzy Kim, Hokyung Choung, Min Joung Lee, Namju Kim, Sang In Khwarg, Young Suk Yu

J Korean Med Sci.2018;33(16):e120.  Published online 2018 March 29     DOI: http://dx.doi.org/10.3346/jkms.2018.33.e120