R. Waksman was a core laboratory member; the remaining authors were investigators of the trial. M. Haude reports grants/contracts from Biotronik, Cardiac Dimensions, and Philips; consulting fees from Biotronik, Cardiac Dimensions, and Shockwave Medical; honoraria/speaker fees from Biotronik, Cardiac Dimensions, Shockwave Medical, and Philips; support to attend meetings/travel support from Biotronik; is a steering committee member of the BIOSOLVE and BIOMAG trials; and is a past President of EAPCI. J. Torzewski reports grants and contracts from Abbott paid to his institution; speaker honoraria and support for attending meetings from Biotronik; and is an Associated Editor of Cardiovascular Biologics and Regenerative Medicine and Frontiers in Cardiovascular Medicine. J. Escaned reports personal fees/speaker honoraria from Abbott, Boston Scientific, Philips, and Shockwave Medical; patents from Shared; and participation in advisory boards of Abbott and Philips. J.F. Iglesias reports unrestricted research grants to his institution or contracts from Terumo, Biosensors, Concept Medical, Biotronik, and SMT; consulting fees from Biotronik, Medtronic, Cordis, and Recor Medical; speaker fees/honoraria from Biotronik, Biosensors, Bristol-Myers Squibb/Pfizer, Cordis, Concept Medical, Medtronic, Penumbra, and Recor Medical; support to attend meetings from Biotronik and Medtronic; and is a Data Safety Monitoring Board member of the Co-STAR trial. The institution of J. Bennett receives grants or contracts from Shockwave IVLS; he receives consulting fees from Biotronik and Boston Scientific; speaker fees/honoraria from Biotronik, Boston Scientific, Elixir, and Abbott; participates in the advisory board of Elixir; and has a leadership or fiduciary role for Biotronik. G. Toth reports consulting fees from Biotronik, Medtronic, Abbott, and Terumo; and honoraria from Biotronik, Medtronic, Abbott, and Terumo. M. Joner reports grant support from Boston Scientific, Cardiac Dimensions, Edwards Lifesciences, and Infraredx; consulting fees from AlchiMedics SAS, Biotronik, TRiCares, Veryan, and Shockwave Medical; speaker fees/honoraria from Abbott, Biotronik, Boston Scientific, Edwards Lifesciences, Cardiac Dimensions, AstraZeneca, Recor Medical, and Shockwave Medical; travel support from SIS Medical, Edwards Lifesciences, Boston Scientific and Cardiac Dimensions; and participation in steering committees of Biotronik and Edwards Lifesciences. R. Toelg reports lecture fees from Biotronik. M. Wiemer reports speaker honoraria and conference attendance support from Biotronik. G. Olivecrona reports lecturer honoraria from Abbott, Biotronik, and Cordis; is a DSMB member of the SCIENCE trial; and a CEC member of the BIOFREEDOM STEMI trial. R. Waksman has grants or contracts from Amgen, Biotronik, Boston Scientific, Medtronic, and Philips IGT; received consulting fees from Abbott, Biotronik, Boston Scientific, Cordis, Medtronic, Philips IGT, Pi-Cardia, Swiss Interventional Systems/SIS Medical AG, Transmural Systems, and Venus Medtech; received honoraria from AstraZeneca; participates in DSMB/advisory boards of Abbott, Boston Scientific, Medtronic, Philips IGT, and Pi-Cardia; and is an investor from MedAlliance and Transmural Systems. The other authors have no conflicts of interest to declare.