Received: 25 September 2019
Accepted: 17 December 2019
First Online: 30 December 2019
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.M. Guglielmetti received travel grants from Allergan.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.