Atrial appendage closure in patients with heart failure and atrial fibrillation: industry‐independent single‐centre study oleh Mohammed Saad, Mohamed Osman, Hosam Hasan‐Ali, Mohammed Abdel Ghany, Mohamad A Alsherif, Osama Risha, Makoto Sano, Thomas Fink, Christian‐Hendrik Heeger, Julia Vogler, Vanessa Sciacca, Charlotte Eitel, Thomas Stiermaier, Alexander Joost, Ahmad Keelani, Georg Fuernau, Roza Saraei, Karl‐Heinz Kuck, Ingo Eitel, Roland Richard Tilz