Received: 2 March 2020
Accepted: 4 May 2020
First Online: 19 May 2020
Compliance with ethical standards
: None of the authors declare any conflicts of interest relevant to this work. ER has been part funded through a research grant by Celgene Corp for unrelated research. RS has received research grants, consultancy and speaker fees from Abbvie, Biogen, Celgene, Lilly, Novartis and UCB.
: Ethical approval was not required as the information used was in the public domain and patients were not recruited for participation. No patient identifiable information was recorded or analysed in the study. The work did not fulfil the Health Research Authority’s definition of research, as participants were not randomised, there was not change in care for participants, and the results could not be generalised outside of the specific circumstance that was being analysed.
: Consent to participate and publication: Participants were not required to consent as no recruitment took place to collect data, and data was in the public domain.