“…5-HTOL does not appear to be influenced by ethnicity (Beck & Helander, 2003). CDT does not appear to differ significantly among African American, Puerto Rican, Korean, or South Asian groups (Behrens et al, 1988; Kim et al, 2007; Wickramasinghe, Corridan, Izaguirre, Hasan, & Marjot, 1995). An epidemiologic study of 1,400 Australian adults that examined the frequency of false-positive CDT variants reported a frequency of 1% false-positive of the CDTect test (a method that measures asialotransferrin, monosialotransferrin, and disialotransferrin) due to genetic variants (Whitfield et al, 1998).…”