SOX2 and Parkinson disease: The strongest association with PD was observed for the BCYRN1 rs13388259 polymorphism (OR = 4.43, CI = 2.0–9.8, Fisher exact probability test p=0.00004), and notable results were observed for the SOX2-OT rs6765739 SNP (OR = 1.38, CI = 0.9–2.1, Fisher exact probability test p=0.0791) and the UCHL1 rs12649180 SNP (OR = 1.63, CI = 0.9–3.0, Fisher exact probability test p=0.0907).