Fig. 2From: f-treeGC: a questionnaire-based family tree-creation software for genetic counseling and genome cohort studiesFictitious pedigrees created by f-treeGC. a Fictitious ultimate pedigree, b A hypothetical pedigree representative of a family with von Hippel-Lindau syndrome shown in Fig. 1, partially modified from Bennett et al. [1, 7]. The clients are included in the 2nd generation (a) or in the 3rd generation (b) upon confirmation at system startupBack to article page