Received: 29 April 2020
Accepted: 22 June 2020
First Online: 30 June 2020
Ethics approval and consent to participate
: Protocol IR-COV, version 21st of April 2020, approved by the Romagna Ethical Committee.
: All clinical data are completely anonymised; discharged patients are being telephonically contacted to get informed consent.
: The authors declare that they have no competing interests.