- Correspondence to Dr Giacomo Corrado, Dipartimento Scienze della Salute della Donna, del Bambino e di Sanità Pubblica, Policlinico Universitario Agostino Gemelli, Rome 86100, Italy;
- Received September 15, 2020
- Revision received December 2, 2020
- Accepted December 4, 2020
- First published March 1, 2021.
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