Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions. References 1 and , “Diagnosis and Treatment of Hereditary Angioedema,” Panminerva Medica 54, no. 3 (2012): 241–253. 2, , , et al., “SERPING1 Mutation Update: Mutation Spectrum and C1 Inhibitor Phenotypes,” Human Mutation 41, no.