[1] Imperial Coll London, Fac Med, Dept Surg & Canc, Pain Res, Chelsea & Westminster Hosp Campus, London, England
[2] Kings Coll London, Inst Psychiat Psychol & Neurosci, Psychol Dept, Hlth Psychol Sect, London, England
[3] Guys & St Thomas NHS Fdn Trust, INPUT Pain Management Unit, London, England
[4] IPRS Hlth Ltd, IPRS Triage & Remote Management Team, Little Blakenham, Suffolk, England
[5] Univ Coll Osteopathy, Res Ctr, London, England