Received: 1 August 2017
Accepted: 8 January 2018
First Online: 15 January 2018
Ethics approval and consent to participate
: Data were treated with full confidentiality in accordance with Italian legislation. Written informed consent was obtained from all participants. To ensure anonymous nature of the data the informed consents were collected separately from questionarie. This study complies with the Declaration of Helsinki and the study protocol was approved by the ethical committee of the Padua Provincial Authority (date of approval 7/30/2015).
: Not applicable.
: VB received grants for taking part on advisory boards and at expert meetings, and for acting as speaker and/or organizer of meetings/congresses. The other authors have no potential conflicts of interest to disclose.
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