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Article History

Received: 21 April 2020

Accepted: 3 June 2020

First Online: 22 June 2020

Compliance with ethical standards

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: Dr. Antonelli Incalzi reports personal fees from Angelini Pharma, MSD, Novartis, Lt3, Dynamicom, Ethos srl, Italia Longeva, outside the submitted work. Dr. Bonanni reports personal fees from GSK, MSD, Sanofi, Pfizer, Seqirus, outside the submitted work. Dr. Gabutti reports grants from Sanofi Pasteur MSD, Seqirus, Emergent BioSolutions, MSD Italy, Sanofi Pasteur Italy, Pfizer, GSK Biologicals SA, outside the submitted work. Dr. Maggi reports grants from Sanofi Pasteur, MSD, GSK, Pfizer, Takeda through institution as organizer of meetings/congresses and as principal investigator of epidemiological studies, for taking part to advisory boards and expert meeting, outside the submitted work. No other author has any conflict of interest to declare.

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