Affiliation: | 1. Division of Neonatology, Department of Obstetrics and Gynecology, University Hospital Merkur, Zagreb, Croatia;2. Department of Paediatrics, University of Zagreb, School of Medicine, University Hospital Centre, Zagreb, Croatia;3. Division of Pediatric Cardiology, University of Zagreb, School of Medicine, University Hospital Centre, Zagreb, Croatia;4. Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota;5. Division of Pediatric Cardiology, Mayo Clinic, Rochester, Minnesota;6. Department of Anesthesiology, Mayo Clinic, Rochester 55905, Minnesota;7. Division of Biomedical Statistics and Informatics, Mayo Clinic, Rochester, Minnesota |