Department of Cardiology (CVK), Berlin Institute of Health Center for Regenerative Therapies (BCRT), Berlin, Germany. German Centre for Cardiovascular Research (DZHK) Partner Site Berlin, Berlin, Germany. Charité Universitätsmedizin Berlin, Berlin, Germany. University of Mississippi School of Medicine, Jackson, MI, USA. National and Kapodistrian University of Athens School of Medicine, Athens, Greece. Université de Lorraine, Inserm INI-CRCT, Nancy, France. São Paulo University Medical School, São Paulo, Brazil. Universitätsklinikum des Saarlandes und Medizinische Fakultät der Universität des Saarlandes, Homberg, Germany. Maastricht University Medical Center, Maastricht, The Netherlands. Seoul National University Bundang Hospital, Seoul, Republic of Korea. Medanta Medicity to Max Superspeciality Hospital, Saket, New Delhi, India. Instituto Nacional de Cardiologia Ignacio Chavez, Ciudad de Mexico, Mexico. Centre Universitaire de Sante McGill, Montreal, QC, Canada. Fundación Valle del Lili, Cali, Colombia. University Hospitals Leuven, Belgium, Brazil. Harvard Medical School, Massachusetts General Hospital, Boston, MA, USA. Complejo Hospitalario Universitario de Santiago, CIBERCV, A Coruña, Spain. Semmelweis University, Budapest, Hungary. Victorian Heart Institute, Monash University, Clayton, VIC, Australia. Department of Cardiology, FLENI Institute, Buenos Aires, Argentina. Wayne State University, Detroit, MI, USA. Wrocław Medical University, Wroclaw, Poland. ASST Papa Giovanni XXIII, Bergamo, Italy. Centre Hospitalier Régional et Universitaire de Besançon, Besançon, France. National Heart Centre, Singapore. University Hospital, Masaryk University Hospital, Brno, Czech Republic. NIHR Cardiovascular Biomedical Research Centre, Glenfield Hospital, Leicester, UK. Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy. Kyushu University, Fukuoka City, Japan. St. Michael's Hospital, University of Toronto, Toronto, ON, Canada. University of Medicine and Pharmacy Carol Davila, University and Emergency Hospital, Bucharest, Romania. Fuwai Hospital Chinese Academic of Medical Science, Beijing, China. Boehringer Ingelheim International GmbH, Ingelheim, Germany. Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach, Germany. Boehringer Ingelheim Pharma, Inc., Ridgefield, CT, USA. Faculty of Medicine Mannheim, University of Heidelberg, Mannheim, Germany. Department of Medical Statistics, London School of Hygiene & Tropical Medicine, London, UK. Baylor University Medical Center, Dallas, TX, USA. Imperial College, London, UK.