Received: 22 July 2020
Accepted: 3 August 2020
First Online: 17 August 2020
Change Date: 26 November 2020
Change Type: Correction
Change Details: An amendment to this paper has been published and can be accessed via the original article.
Ethics approval and consent to participate
: Informed consent was collected following the ad hoc procedures defined by the local Ethics Committee of Fondazione Policlinico San Matteo IRCCS for the COVID-19 pandemic.
: FM received fees for lectures from GE Healthcare, Hamilton Medical, SEDA SpA, outside the present work. SM received fees for lectures from GE Healthcare, outside the present work. GT received fees for lectures by GE Healthcare, outside the present work. MP, VD and GR have nothing to disclose.