Received: 11 September 2019
Accepted: 14 January 2020
First Online: 23 January 2020
Ethics approval and consent to participate
: Study protocol was approved by the Independent Ethical Committee of Area Vasta Emilia Centrale (CE-AVEC, study code: 638 t2018/Oss/AOUFe; date of approval CE: 17/10/2018). Data gathering was conducted following the principles of the Declaration of Helsinki, according to current national legislation and in compliance with the protection of personal data. As no information which may identify the subjects was collected, no informed consent was obtained.
: Not applicable.
: PA reports collaboration with Assobiomedica taking part in a Lean Management program for infection control (Lean4Health) without getting any grant.GG reports, outside this manuscript, grants from Sanofi Pasteur MSD, GSK Biologicals SA, Novartis, Pfizer, Sanofi Pasteur, MSD Italy, PaxVax and Seqirus for taking part to advisory boards, expert meetings, for acting as speaker and/or organizer of meetings/congresses and as principal investigator and chief of O.U. in RCTs<b>.</b>NB, GV, CM, DM, FB, EDR, AS declare no competing interests.