Document is current

Article History

Received: 27 August 2018

Accepted: 2 November 2018

First Online: 17 December 2018

Compliance with ethical standards

:

: All authors declare that there are no conflicts of interest.

: All procedures performed in the study fulfilled the Declaration of Helsinki, and the guidelines for Good Clinical Practice. The approval of the study for experiments using human subjects was obtained from the local Ethics Committees on human experimentation.

: All participants were required to sign three consent forms before participation: consent for participation to the research study, consent for sharing the audio–video recorded material and data with other consortium members, and a consent form for using the audio–video recorded material and data for public purposes (publications, dissemination goals).