European heart journal Willems, S, Borof, K, Brandes, A, Breithardt, G, Camm, A J, Crijns, H J G M, Eckardt, L, Gessler, N, Goette, A, Haegeli, L M, Heidbuchel, H, Kautzner, J, Ng, G A, Schnabel, R B, Suling, A, Szumowski, L, Themistoclakis, S, Vardas, P, van Gelder, I C, Wegscheider, K & Kirchhof, P 2022, ' Systematic, early rhythm control strategy for atrial fibrillation in patients with or without symptoms : the EAST-AFNET 4 trial ', European Heart Journal, vol. 43, no. 12, pp. 1219-1230 . https://doi.org/10.1093/eurheartj/ehab593 European Heart Journal, 43(12), 1219-1230. Oxford University Press