Article History
First Online: 19 March 2018
Compliance with Ethical Standards
:
: This study was funded by Grunenthal Italia. The views expressed here are those of the authors and not necessarily those of the funders.
: None of the authors (Dr. Ruggeri, Dr. Basile, Dr. Drago, and Prof. Cicchetti) has any potential conflict of interest related to this study.