No differences were observed for BDNF levels between patients with and without comorbid anxiety disorder (t-test: t = −1.13, df = 16, p = 0.27) and comorbid personality disorder (t-test: t = 2.09, df = 15, p = 0.055; Supplementary Figure S4, Supplementary Table S3). The gene discussed is BDNF; the disease is personality disorder.