1. Cardiology, Saint Luke’s Mid-America Heart Institute, Kansas City, Missouri, USA
2. Medicine, University of Missouri-Kansas City, Kansas City, Missouri, USA
3. Cardiothoracic Surgery, Saint Luke's Mid-America Heart Institute, Kansas City, Missouri, USA
4. Cardiovascular Research Foundation, New York, NY, US
5. Cardiology, St. Francis Hospital, Roslyn, NY, USA