<qa>  What is the Phase I portion of the FONT study?This Phase II will again rely on the considerable investment of time and resources on the part of the study investigators and the NIHNIDDK gained through the FSGS-CT UO1-DK-63455 and the Phase I portion of the FONT study DK70341. Schneider Childrens Hospital SCH and University of North Carolina-Chapel Hill UNC resources including the GCRCs that were utilized in the R21phase of them study will be available for the R33 portion of the FONT project. 