Footnotes

• Contributors MI confirmed that the paper is original and approved for submission. MI is the sole author of this editorial.

• Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests MI has been advisory board member for Sobi and Kiniksa.

• Patient and public involvement Patients and/or the public were not involved in the design, conduct, reporting or dissemination plans of this research.

• Patient consent for publication Not required.