afni.nimh.nih.gov

There have been several threads about Siemens mosaic data like yours. These might help.

[afni.nimh.nih.gov]

[afni.nimh.nih.gov]

[afni.nimh.nih.gov]

[afni.nimh.nih.gov]

If you can not find a solution in any of these threads, feel free to upload the data, and I will take a look.