2015 November 30(4):318-322 / http://dx.doi.org/10.4266/kjccm.2015.30.4.318
We found an error in this article. The Fig. 2B should be corrected as following:
In this article, on page 319, Fig. 2B has an error. The position of its arrow was wrong.
We present the correct figure as below:
![kjccm-2016-31-1-71i1.tif](/upload/SynapseXML/1045kjccm/thumb/kjccm-2016-31-1-71i1.gif)
We apologize for any inconvenience that may have caused.