Figure 8

Root-mean-square deviation (RMSD) was used to measure the accuracy of image superimposition, with value inferior to 0.5 mm considered acceptable. Same superimposed model as in Fig. 7.

Root-mean-square deviation (RMSD) was used to measure the accuracy of image superimposition, with value inferior to 0.5 mm considered acceptable. Same superimposed model as in Fig. 7.