1. Department of Medicine, Division of Cardiology Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA
2. Department of Cardiology Boston Children's Hospital, Harvard Medical School Boston Massachusetts USA
3. Department of Medicine, Division of Rheumatology Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA
4. Department of Medicine, Division of Gastroenterology Brigham and Women's Hospital, Harvard Medical School Boston Massachusetts USA