1. Department of Cardiology; Mount Sinai St. Luke's and Mount Sinai Roosevelt Hospitals; New York New York
2. Pulmonary, Critical Care and Sleep Division; Yale University School of Medicine; New Haven Connecticut
3. Division of Cardiology, Temple University Hospital, Philadelphia, Pennsylvania; Brown University and Providence VAMC; Rhode Providence Island
4. Department of Interventional Cardiology; Washington University School of Medicine; St. Louis Missouri
5. Rhode Island Hospital, Brown Medical School; Rhode Providence Island