Received: 23 June 2020
Accepted: 30 September 2020
First Online: 22 October 2020
Ethics approval and consent to participate
: All procedures for the collection of biological specimens from live animals were carried out following good clinical practice in respect of animal welfare according to current legislation. The study was conducted with the approval of Institutional Animal Care and Use Committee of University of Milan (Permission OPBA_34_2017).
: Not applicable.
: The authors declare that they have no competing interests.