Funding for this research was provided by:
Text and Data Mining valid from 2020-01-08
Received: 26 June 2019
Accepted: 24 December 2019
First Online: 8 January 2020
Ethics approval and consent to participate
: The protocol for this study was reviewed and approved by the Independent Scientific Advisory Committee for Medicines and Healthcare products Regulatory Agency database research, the CPRD scientific/ethics committee.
: Not applicable.
: Philip N. Patsalos is a consultant to GW Pharma. John Logan (Stats4Pharma) and Victor Kiri (FV & JK Consulting Ltd) are a paid consultant for UCB Pharma on this study. Simon Borghs, Laura Byram, Jane Chan and Solène Thieffry are employees of UCB Pharma. Peter Dedeken and Matthias Noack-Rink were employees of UCB Pharma at the time this analysis was conducted.