Effect of lead design and pacing vector on electrical parameters of quadripolar coronary sinus leads: The RALLY‐X4 study. - Burri, Haran; Schrage, Max Olaf; Morani, Giovanni; Sakata, Yasushi; Hermida, Jean‐Sylvain; Solimene, Francesco; Rauwolf, Thomas; Kayser, Torsten; Pakarinen, Sami; Biffi, Mauro (Pacing & Clinical Electrophysiology, 2019)