1. Department of Information Engineering: EIT; University of Pisa; Pisa Italy
2. GE Global Research Europe; Munich Germany
3. Fondazione Gabriele Monasterio CNR- Regione Toscana; Pisa Italy
4. Institute of Clinical Physiology, National Research Council; Pisa Italy
5. GE Healthcare; Munich Germany
6. Synaptive Medical Inc; Toronto Ontario Canada
7. GE Healthcare; Bethesda Maryland USA