1. Center for Advanced Surgical and Interventional Technology, UCLA (University of California, Los Angeles) 2Department of Surgery, George Washington University, Washington, DC
2. School of Medicine, University of California, Irvine
3. Department of Cardiology, Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California
4. Department of Cardiology, UCLA
5. Center for Advanced Surgical and Interventional Technology, UCLA (University of California, Los Angeles) 6Department of Surgery, UCLA