Due to unplanned maintenance of the back-end systems supporting article purchase on Cambridge Core, we have taken the decision to temporarily suspend article purchase for the foreseeable future. We apologise for any inconvenience caused whilst we work with the relevant teams to restore this service.
The publisher apologises for errors in the author affiliations. The authors Israel Valverde and Mari Nieves Velasco Forte should have affliations numbers 1, 2, and 3:
1. Division of Imaging Sciences and Biomedical Engineering, King’s College, London, UK;
2. Cardiovascular Pathology Unit, Institute of Biomedicine of Seville, IBIS, Virgen del Rocio University Hospital/CSIC/University of Seville, Sevilla, Spain;
3. Department of Congenital Heart Disease, Evelina London Children’s Hospital, Guy’s and St Thomas’ NHS Foundation Trust, London, UK;
4. Department of Pediatrics, UT Southwestern Medical Center, 1935 Medical District Drive, Dallas, TX, USA;
5. Department of Pediatric Cardiology, Leiden University Medical Center, Leiden, The Netherlands