 data or save data as NIfTI format, on MATLAB you’ll 
% need EITHER image processing toolbox OR <https://se.mathworks.com/matlabcentral/fileexchange/8797-tools-for-nifti-and-analyze-image 
% Tools for NIfTI and ANALYZE image>. For Octave, only Tools for NIfTI and ANALYZE 
% image can be used, though it hasn’t been tested.
% 
% For Analyze data, you’ll need the above <https://se.mathworks.com/matlabcentral/fileexchange/8797-tools-for-nifti-and-analyze-image 
% Tools for NIfTI and ANALYZE image> in all 