Fig. 3From: f-treeGC: a questionnaire-based family tree-creation software for genetic counseling and genome cohort studiesFoldable interview sheet named “f-sheet”. a Large sheet, b gathered interview sheets for each individual, and c accordion-folded sheet. In diagram (a), the dashed-dotted lines, “-・-・-・-・-”, and broken lines, “- - - - -”, show the mountain fold and the valley fold, respectivelyBack to article page