KCNH1 and gastric cancer: The 2 SNPs discarded by the Midrange Filter are located within genes associated with phenotypes unrelated to the mental health diagnoses of the PsyCourse participants: KCNH1 is associated with epilepsy (Tian et al. 2023) and severe and rare development disorders (Gripp et al. 2021), while TMEM200A is associated with gastric cancer (Deng et al. 2023).