Document is current

Article History

Received: 16 December 2019

Accepted: 20 March 2020

First Online: 12 May 2020

Compliance with ethical standards

:

: The authors have no competing interests to declare.

: The ethics committee of the “Comitato Etico Regionale delle Marche—C.E.R.M.” reviewed and approved this study protocol on September 7, 2017 (protocol no. 2017-0244-AS). All the participating centers submitted the protocol and obtained authorization from the local institutional review board. Anonymized participant-level datasets are available upon reasonable request by contacting the principal investigator.

: Informed consent was obtained (in written form) by all the participants in the study.