Cluster Index Voxels P -log10(P) Z-MAX Z-MAX X (mm) Z-MAX Y (mm) Z-MAX Z (mm) Z-COG X (mm) Z-COG Y (mm) Z-COG Z (mm) COPE-MAX COPE-MAX X (mm) COPE-MAX Y (mm) COPE-MAX Z (mm) COPE-MEAN 2 437 0.001 3 2.96 -37.8 -37.6 -43.6 -25.2 -44.7 -37 232 -27.8 -30.1 -46.1 49.3 1 319 0.0115 1.94 2.92 39.7 -52.6 -36.1 37.5 -52.4 -33.3 113 42.2 -57.6 -26.1 44.7