Rhythm and rate control strategies in patients with long-standing persistent atrial fibrillation treated with cardiac resynchronization: the results of the randomized Pilot-CRAfT study. - Ciszewski JB; Tajstra M; Kowalik I; Maciąg A; Chwyczko T; Jankowska A; Smolis-Bąk E; Firek B; Zając D; Karwowski J; Szwed H; Pytkowski M; et al. (Clinical research in cardiology : official journal of the German Cardiac Society, 2026)