1. From Mayo Clinic Jacksonville, Jacksonville, Florida, John Hopkins Hospital, Baltimore, Maryland, Pennsylvania State Hershey Medical Center, Hershey, Pennsylvania, Beth Israel Deaconess Medical Center, Boston, Massachusetts, Cleveland Clinic, Cleveland, Ohio, Medical University of South Carolina, Charleston, South Carolina, J.W. Goethe University, Frankfurt, Germany, University of Arizona, Sarver Heart Center, Tucson, Arizona, St. Louis University, St. Louis, Missouri, Brigham and Women's Hospital...