CDHR1 and atrial fibrillation: One synonymous substitution (CDHR1 c.783G>A (p.Pro261=), rs147346345, gNOMAD AF: 0.00446), a 7bp deletion (CDHR1 c.2522_2528del, p.(Ile841Serfs*119, rs794727197)) and two novel intronic variants (c.349-1G>A, c.1168-10A>G) were identified.