1. Department of Pediatric Cardiology and Congenital Heart Defects at the Technical University, German Heart Center Munich, Lazarettstr. 36, D-80636 Munich, Germany
2. Department of Cardiovascular Surgery at the Technical University, German Heart Center Munich, Lazarettstr. 36, D-80636 Munich, Germany
3. Institute for Radiology and Nuclear Medicine at the Technical University, German Heart Center Munich, Lazarettstr. 36, D-80636 Munich, Germany