Received: 14 October 2019
Accepted: 13 December 2019
First Online: 3 January 2020
Ethics approval and consent to participate
: Ethical approval was not required. Formal permission to access linked patient-level National Health Service (NHS) administrative databases for the Scottish Burden of Disease study was granted by the Privacy Advisory Committee, NHS National Services Scotland (NSS) [PAC Reference 51/14].
: Not applicable.
: IG is a UK management committee member of the COST (ExternalRef removed) action CA18218 (European Burden of Disease Network). GW is a substitute management committee member for the UK. All other authors declare that they have no competing interests.