Correction to "Field‐aligned currents associated with dipolarization fronts". Issue 20 (31st October 2013) - Sun, W. J.; Fu, S. Y.; Parks, G. K.; Liu, J.; Yao, Z. H.; Shi, Q. Q.; Zong, Q.‐G.; Huang, S. Y.; Pu, Z. Y.; Xiao, T.