1. University of California Irvine, Department of Biomedical Engineering, Edwards Lifesciences Center of Advanced Cardiovascular Technology; Irvine California USA
2. University Hospital Schleswig-Holstein Campus Kiel, Department of Pediatric Cardiology; Kiel Germany
3. Royal Brompton Hospital, London, UK, NIHR Cardiovascular Biomedical Research Unit of Royal Brompton and Harefield NHS Foundation Trust and Imperial College; London UK
4. Siemens Healthcare; Erlangen Germany