Declaration of interest
S Knop has received honoraria from Celgene, Janssen, BMS, Amgen and Takeda as well as travel grants from Celgene and Amgen. 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.
Reviewer disclosures
Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.