<p>1. Cases top line, controls bottom line. The NZ controls deviated mildly from HWE (<i>P</i> = 0.02).</p><p>2. Imputed genotypes were taken from <a href="http://www.wtccc.org.uk" target="_blank">www.wtccc.org.uk</a>.</p><p>3. The Mantel-Haenszel combined OR = 0.90 [0.82–0.98], <i>P</i> = 0.021. The Breslow-Day test for heterogeneity <i>P</i> = 0.90.</p