Received: 20 September 2021
Accepted: 22 March 2022
First Online: 28 March 2022
: All procedures performed in this study were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was also approved by the ERB of the Clinical Department of Pediatrics of San Paolo Hospital, University of Milan.
: Not applicable.
: The authors declare that they have no competing interests.