1. The University of Georgia; College of Engineering; Driftmier Engineering Center; 597 D. W. Brook Drive Athens GA 30602 USA
2. Department of Radiology; Cincinnati Children's Hospital Medical Center; Cincinnati Ohio USA
3. Department of Engineering Science; University of Oxford; Oxford UK
4. Cardiovascular and Ablation Technologies; St. Jude Medical Inc., St. Paul; Minnesota USA
5. Department of Cardiology; Brigham and Women's Hospital; Boston Massachusetts USA