Received: 17 January 2020
Accepted: 6 March 2020
First Online: 14 March 2020
Ethics approval and consent to participate
: Study protocol was submitted to the Ethics Committee.
: Not applicable.
: <i>A. Negro</i> received travel grants, consulting fees and speaking fees from Allergan, Eli Lilly, Novartis, and TEVA.P. Martelletti received travel grants, consulting fees and speaking fees from Allergan, Amgen, Eli Lilly, Novartis, and TEVA.The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or conflict with the subject matter or materials discussed in this manuscript apart from those disclosed.