a‘De Gasperis’ Cardio Center, ASST Grande Ospedale Metropolitano Niguarda, Milan

bDepartment of Health Sciences, University of Milano-Bicocca, Monza

cPediatric Intensive Care Unit

dPediatric Cardiology, Ospedale dei Bambini ‘Vittore Buzzi’, Milan, Italy

Correspondence to Dr Enrico Ammirati, MD, PhD, ‘De Gasperis’ Cardio Center, ASST Grande Ospedale Metropolitano Niguarda, Piazza Ospedale Maggiore, 3, 20162 Milan, Italy Phone: fax: +39 026444 7791; fax: +39 026444 2566; e-mail: [email protected]

Received 19 September, 2021

Revised 6 June, 2022

Accepted 17 July, 2022

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