BIDS Formatting for GE Direct Fieldmaps and Magnitude Images spilt by IDEAL

Hello everyone,

I am working to get my direct field maps with corresponding magnitude files into BIDS compliant format. From a GE scanner, we have Case 3 for the field maps except the magnitude files are not conventional. The magnitude files are split into 2 files, one for fat tissue and one for water according to the IDEAL application for fast spin-echo imaging. (Reeder et al., 2005)

I have not found any other posts related to this yet. Has anyone worked with making these BIDS compliant? I have thought about designating the water magnitude image as the conventional magnitude image to accompany the direct B0 field map. This is not entirely accurate though.

Thank you for your insight,