Funding for this research was provided by:
UK Research and Innovation (MR/V03605X/1)
Medical Research Council (MR/V007181//1)
Wellcome Trust (ISSF201902/3)
Received: 22 July 2022
Accepted: 17 October 2022
First Online: 7 November 2022
Change Date: 5 December 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12883-022-02995-6
: Approval for these was granted by The North and East Devon Multicentre Research Ethics Committee (05/Q2102/22). Local research ethics committee approval and Research and Development approval was obtained from all participating centres. Written informed consent from all patients or from their next of kin were obtained and all methods were carried out in accordance with the relevant guidelines and regulations of Research Ethics Committee.
: Not applicable.
: RHT has received honoraria and meeting support from Arvelle, Bial, Eisai, GW Pharma, LivaNova,Novartis, Sanofi, UCB Pharma, UNEEG, Zogenix.