1. CMR Unit; Fondazione G. Monasterio CNR-Regione Toscana and Institute of Clinical Physiology; Pisa Italy
2. Division of Cardiology; Department of Pediatrics; Children's Hospital Los Angeles; Los Angeles California USA
3. FerroKin BioSciences, Inc. a wholly-owned subsidiary of Shire Pharmaceuticals LLC; Wayne Pennsylvania USA
4. Department of Radiology; Children's Hospital Los Angeles; Los Angeles California USA