Received: 6 June 2020
Accepted: 10 November 2020
First Online: 15 December 2020
Change Date: 14 April 2021
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/S41747-021-00215-3
Ethics approval and consent to participate
: This study was approved by the Ethics Committee of IRCCS Ospedale San Raffaele (protocol code “COVID19-RXretro,” approved on April 8, 2020).
: Due to the retrospective nature of this study, specific informed consent was waived.
: Simone Schiaffino declares to have received travel support from Bracco Imaging and to be a member of speakers’ bureau for General Electric. Francesco Sardanelli declares to have received grants from or to be a member of speakers’ bureau/advisory board for Bayer, Bracco, and General Electric. All other authors declare that they have no conflict of interest, and that they have nothing to disclose.