Pizza, Fabio
Filardi, Marco
Moresco, Monica
Antelmi, Elena
Vandi, Stefano
Neccia, Giulia
Mazzoni, Alice
Plazzi, Giuseppe
Article History
Received: 28 February 2019
Revised: 30 April 2019
Accepted: 13 May 2019
First Online: 1 June 2019
Compliance with ethical standards
: The work is a literature review and complied with the tenets of the Declaration of Helsinki, as well as with the ethical standards of the journal. All subjects involved in the pictures or videos provided written informed consent.
: Giuseppe Plazzi participated in advisory board for UCB Pharma, Jazz pharmaceuticals, Bioprojet, and Idorsia outside the submitted work. The other authors have no potential financial conflict of interest to disclose.