- Correspondence to Dr Simonetta Piana, Pathology Unit, Azienda USL - IRCCS di Reggio Emilia, Reggio Emilia, Emilia-Romagna, Italy;
- Received January 20, 2021
- Revised February 26, 2021
- Accepted March 12, 2021
- First published April 23, 2021.
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