Some time ago I reported a very similar issue (still not resolved): Wrong SDC based on fieldmaps estimated by phase-differences (but OK based on PEPOLAR) . Maybe reverting to PEPOLAR-based correction will be a solution in your case as well.
Some time ago I reported a very similar issue (still not resolved): Wrong SDC based on fieldmaps estimated by phase-differences (but OK based on PEPOLAR) . Maybe reverting to PEPOLAR-based correction will be a solution in your case as well.
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