load an archive of the <https://github.com/villekf/OMEGA/archive/master.zip 
% master-branch>. If you downloaded either a release or master branch archive, 
% you need  to extract the contents to the folder of your choosing. Alternatively,  
% if you are using MATLAB, you can download the mltbx package (|OMEGA.-.Open-source.MATLAB.emission.tomography.software.mltbx|) 
% from the <https://github.com/villekf/OMEGA/releases releases> and simply run 
% it in which case all the necessary folders will be automati