Article History
First Online: 20 June 2019
Compliance with Ethical Standards
:
: No sources of funding were received for the preparation of this article.
: Stefano Piaserico has consulted (includes advisory boards, editorial advice, podium presentations, and travel grants) for AbbVie, Almirall, Celgene, Janssen-Cilag, Lilly, MSD, Novartis, and Pfizer. Francesco Messina and Francesco Paolo Russo have no conflicts of interest that are directly relevant to the content of this article.