Abstract
Conflict of interest statement
Competing interests: CM has received consulting fees from AbbVie, Amgen, AVIR Pharma, Janssen, Ferring, Fresenius Kabi, Takeda, Pfizer, Roche and Alimentiv (formerly Robarts Clinical Trials); speaker’s fees from AbbVie, Janssen, Takeda and Pfizer; and research support from Pfizer.