Of significance interest is the suggestive association between variants in the PARK2 gene (also known as PRKN) and PTSD in this South African cohort, because PARK2 has previously been associated with PTSD in the largest PTSD-GWAS meta-analysis conducted to date (Nievergelt et al., 2019). The gene discussed is PRKN; the disease is post-traumatic stress disorder.