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 1 284 0.0211 1.68 2.63 39.7 -47.6 -23.6 39.9 -52.5 -26.2 188 42.2 -57.6 -26.1 66.8