Christina Paitazoglou, M.D; Ramazan Özdemir, M.D, FESC; Roman Pfister, M.D, FESC; Martin W. Bergmann, M.D, FESC; Jozef Bartunek, M.D; Teoman Kilic, M.D, FESC; Alexander Lauten, M.D, FESC; Alexander Schmeisser, M.D, FESC; Mehdi Zoghi, M.D, FESC; Stefan Anker, M.D, FESC; Horst Sievert, M.D, FESC; Felix Mahfoud, M.D, FESC; on behalf of the AFR-PRELIEVE Investigators