A common SCN5A variant is associated with PR interval and atrial fibrillation among African Americans.

2014
https://researcherprofiles.org/profile/1182942
25065297
Ilkhanoff L, Arking DE, Lemaitre RN, Alonso A, Chen LY, Durda P, Hesselson SE, Kerr KF, Magnani JW, Marcus GM, Schnabel RB, Smith JG, Soliman EZ, Reiner AP, Sotoodehnia N