Funding for this research was provided by:
Takeda Italia Farmaceutici
Received: 9 January 2020
Accepted: 15 February 2021
First Online: 27 February 2021
Ethics approval and consent to participate
: Ethics approval was obtained from the S. Giovanni-Addolorata Hospital Ethics Committee (Prot N. 5177/72 on April 5, 2007). Each participant provided a written consent.
: Not applicable.
: The authors declare they have no competing interests.