Author :
Zhao, Bo ; Du, Yu ; Yang, Jun ; Zhang, Youtao
Abstract :
In the above-named articlt that appeared in ibid., vol. 62, no. 11, pp. 2252-2265, 2013, a production error occurred which resulted in the misalignment of Fig. 13, Fig. 14, Fig. 15, Fig. 16, Fig. 17, and Fig. 18 with their captions, starting from Fig. 13 to Fig. 18. As a result, a correct Fig. 13 is missing, and Fig. 18 repeats Fig. 19. We regret that this has happened. The correct figures with their corresponding captions are shown here.