Risk factors for onset of chronic oro-facial pain--results of the North Cheshire oro-facial pain prospective population study.

"The authors are most grateful to the pain research group at the Arthritis Research Campaign Epidemiology Unit and staff/patients of The Handforth Health Centre and Handforth Clinic for their help with the study. The study was funded by the Arthritis Research Campaign, Chesterfield, UK (Grant Number 17552). This work is produced by Vishal Aggarwal under the terms of a Clinician Scientist Award issued by the NIHR (Grant Number CS/2008/08/001). The views expressed in this publication are those of the author(s) and not necessarily those of the NHS, the National Institute for Health Research or the Department of Health. There are no conflicts of interest to declare."

"The authors are most grateful to the pain research group at the Arthritis Research Campaign Epidemiology Unit and staff/patients of The Handforth Health Centre and Handforth Clinic for their help with the study. The study was funded by the Arthritis Research Campaign, Chesterfield, UK (Grant Number 17552). This work is produced by Vishal Aggarwal under the terms of a Clinician Scientist Award issued by the NIHR (Grant Number CS/2008/08/001). The views expressed in this publication are those of the author(s) and not necessarily those of the NHS, the National Institute for Health Research or the Department of Health. There are no conflicts of interest to declare."