1 Department of Electrophysiology, Heart Center Leipzig at University of Leipzig, Strümpellstraße 39, Leipzig 04289, Germany; Leipzig Heart Institute, Leipzig, Germany. Electronic address: sebastian.koenig@helios-gesundheit.de.
2 Leipzig Heart Institute, Leipzig, Germany.
3 Department of Electrophysiology, Heart Center Leipzig at University of Leipzig, Strümpellstraße 39, Leipzig 04289, Germany; Leipzig Heart Institute, Leipzig, Germany.