Erratum

The original version of this article unfortunately contained some mistakes. The presentation of Figs. 310 were incorrect in the HTML and PDF versions of this article. The corrected figures are given below. In addition, Additional file 4 and 5 were presented incorrectly. The updated versions of these files are also supplied below.

Fig. 3
figure 1

Fig. 4
figure 2

Fig. 5
figure 3

Fig. 6
figure 4

Fig. 7
figure 5

Fig. 8
figure 6

Fig. 9
figure 7

Fig. 10
figure 8