These between shell parameters were calculated using MI between shell means Movement parameters relative b0-shell from direct registration to mean b0 Shell 1.5e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) 0.0316 0.143 -0.0207 0.131 0.0215 -0.015 Shell 2.99e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) -0.0102 0.228 -0.0462 0.207 0.0261 -0.148 Relative movement parameters between the shells Shell 2.99e+03 to shell 1.5e+03 x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) -0.00427 0.0636 -0.044 0.049 -0.00949 -0.0173 Deduced movement parameters relative b0-shell Shell 1.5e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) 0.0316 0.143 -0.0207 0.131 0.0215 -0.015 Shell 2.99e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) -0.0102 0.228 -0.0462 0.207 0.0261 -0.148 These between shell parameters were calculated using interspersed b0-volumes Movement parameters relative b0-shell Shell 1.5e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) 0.0646 0.185 -0.00244 0.0768 0.0245 0.000273 Shell 2.99e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) 0.0524 -0.052 -0.109 0.196 0.0294 -0.00529 These are the movement parameters that have been applied to the data Shell 1.5e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) 0.0316 0.143 -0.0207 0.131 0.0215 -0.015 Shell 2.99e+03 to b0-shell x-tr (mm) y-tr (mm) z-tr (mm) x-rot (deg) y-rot (deg) z-rot (deg) -0.0102 0.228 -0.0462 0.207 0.0261 -0.148