Funding for this research was provided by:
National Institute for Health Research
Trigeminal Neuralgia Association UK (114326)
NIHR Biomedical Research Centre
Received: 27 April 2020
Accepted: 1 July 2020
First Online: 17 July 2020
Ethics approval and consent to participate
: Ethical approval was granted from the School of Psychology Research Ethics Committee at the University of Leeds (REF: PSC-482) and accounted for all control participants and TN participants recruited via the TNA UK. NHS ethical approval (REF: 07/MRE01/38) covered all participants recruited through author JZ via UCLH. Participants provided written consent prior to taking part.
: Not applicable.
: JZ has a consultancy from Biogen. No other authors have no conflicts of interest to declare.