Funding for this research was provided by:
Ministry of Health (Ricerca Corrente Linea 1)
Received: 14 December 2019
Accepted: 22 June 2020
First Online: 7 August 2020
Ethics approval and consent to participate
: Not applicable
: All authors have an interest in global public health and emerging and re-emerging infections. All authors have no other conflict of interest to declare.