1. Department of Cardiology, Colorado Children's Hospital University of Colorado Hospital Denver Colorado USA
2. Department of Adult Congenital Cardiology University of Colorado Hospital Denver Colorado USA
3. Department of Congenital Cardiology Evelina London Children's Hospital, Guy's and St Thomas' NHS Foundation Trust London UK
4. Department of Pediatric Cardiology Institute of Cardiovascular Diseases, Madras Medical Mission Chennai India
5. Pediatric Cardiac Center Queen Sirikit National Institute of Child Health, College of Medicine, Rangsit University Bangkok Thailand
6. Department of Cardiology Polish Mother's Memorial Hospital, Research Institute Lodz Poland