Dionigi, R.
Trimarchi, F.
Dionigi, G.
Article History
Received: 29 August 2019
Accepted: 19 September 2019
First Online: 27 September 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to declare.
: The study was approved by the institutional ethics committee. All procedures performed in the study were in accordance with the 1964 Helsinki Declaration and its later amendments.
: No informed consent needed.