1. Arthritis Research UK Pain Centre, NIHR Nottingham Biomedical Research CentreUniversity of Nottingham, Nottingham, UK, and Kochi Medical School, Kochi University Nankoku Japan
2. Arthritis Research UK Pain Centre, NIHR Nottingham Biomedical Research CentreUniversity of Nottingham Nottingham UK
3. Arthritis Research UK Pain Centre, NIHR Nottingham Biomedical Research CentreUniversity of Nottingham, Nottingham, UK, and Sherwood Forest Hospitals NHS Foundation Trust Sutton‐in‐Ashfield UK