- Correspondence to Graziella Eshuis, Center of Congenital Heart Disease, Department of Paediatric Cardiology, Beatrix Children’s Hospital, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands;
- Received December 31, 2020
- Revised April 2, 2021
- Accepted April 16, 2021
- First published May 14, 2021.
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