First Online: 23 December 2019
Compliance with Ethical Standards
: Kevin Klein, Lorna Hazell, Pieter Stolk and Saad Shakir have no conflicts of interest that are directly relevant to the content of this study.
: The UK BIO-TRAC study is conducted by Drug Safety Research Unit (DSRU) Education and Research Ltd (ExternalRef removed) in collaboration with Lygature (ExternalRef removed) and was funded by a an unrestricted grant from the Association of the British Pharmaceutical Industry (ABPI). This study is based in part on data obtained under licence from the UK Medicines and Healthcare products Regulatory Agency. However, the interpretation and conclusions contained in this study are those of the author/s alone.