Two studies (12%) used ad hoc questionnaires in combination with validated questionnaires [9, 28], in specific, the Cancer Risk Perception (CRP) [29, 30] to assess the perception of the risk of run into a cancer diagnosis; the Perceived Health Status (PHS) [31] to assess the general health status; the Decision Regret Scale (DRS) [32] to assess decision-making processes; and the Satisfaction With Decision (SWD) scale [33] to assess satisfaction resulting from an important decision. This evidence concerns the gene CRP and cancer.