1. Center for Cardiac Arrhythmias of Genetic Origin and Laboratory of Cardiovascular Genetics IRCCS Istituto Auxologico Italiano Milan Italy
2. Department of Clinical Genetics Sheffield Children’s NHS Foundation Trust Sheffield United Kingdom
3. Department of Histopathology Sheffield Children’s NHS Foundation Trust Sheffield United Kingdom
4. Sheffield Children’s Hospital NHS Foundation Trust Sheffield United Kingdom
5. Department of Neurosciences University of Sheffield Sheffield United Kingdom
6. Cardiothoracic Centre Northern General Hospital, Sheffield Teaching Hospitals NHS Trust Sheffield United Kingdom
7. Cellular Pathology Department Birmingham Women’s and Children’s Hospital Birmingham United Kingdom
8. Bioinformatics and Statistical Genetics Unit IRCCS Istituto Auxologico Italiano Milan Italy
9. Department of Medicine and Surgery University of Milano‐Bicocca Milan Italy
10. Department of Neonatology Sheffield Teaching Hospitals. NHS Trust Sheffield United Kingdom