Chu, Michael W. A.; Ruel, Marc; Graeve, Allen; Gerdisch, Marc W.; Damiano Jr, Ralph J.; Smith II, Robert L.; Keeling, William Brent; Wait, Michael A.; Hagberg, Robert C.; Quinn, Reed D.; Sethi, Gulshan K.; Floridia, Rosario; Barreiro, Christopher J.; Pruitt, Andrew L.; Accola, Kevin D.; Dagenais, Francois; Markowitz, Alan H.; Ye, Jian; Sekela, Michael E.; Tsuda, Ryan Y.; Duncan, David A.; Swistel, Daniel G.; Harville III, Lacy E.; DeRose, Joseph J.; Lehr, Eric J.; Alexander, John H.; Puskas, John D.; PROACT Mitral Investigators