Dianna M. Milewicz, MD, University of Texas Medical School at Houston, Houston, Texas; Alan C. Braverman, MD, Washington University School of Medicine, St. Louis, Mo; Michael Mack, MD, Baylor Health Care System, Plano, Texas; Lars G. Svensson, MD, Cleveland Clinic, Cleveland, Ohio; R¨¹diger Lange, MD, Germany Heart Center, Munich, Germany; Tirone E. David, MD, Toronto General Hospital, Toronto, Ontario, Canada; Gebrine El Khoury, MD, Universit¨¦ Catholique de Louvain (UCL), Brussels, Belgium; Hans-Joachim Sch?fers, MD, University Hospital of Saarland, Homburg/Saar, Germany; Duke E. Cameron, MD, Johns Hopkins Hospital, Baltimore, Md; Fabian A. Kari, MD, Cardiothoracic Surgery, Stanford University Medical School, Stanford, Calif; Christian D. Etz, MD, Cardiovascular Surgery, Heart Center Leipzig, Leipzig, Germany.