Funding for this research was provided by:
Received: 24 October 2020
Accepted: 27 October 2020
First Online: 16 December 2020
Ethics approval and consent to participate
: We can confirm that consent was gained from the patient as per CARE guidelines. Patient identifying features have been removed from all clinical images to preserve patient anonymity.
: Dr Constantine has received a personal educational grant from Actelion Pharmaceuticals UK. Dr Dimopoulos has received nonfinancial support from Actelion Pharmaceuticals; and has been a consultant to and received grants and personal fees from Actelion Pharmaceuticals, Pfizer, GlaxoSmithKline, and Bayer/MSD. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials dis- cussed in the manuscript apart from those disclosed.