Exploring visual pain trajectories in neck pain patients, using clinical course, SMS-based patterns, and patient characteristics: a cohort study.

"Declarations Ethics approval and consent to participateThe study was approved by The Norwegian Regional Committees for Medical and Health Research Ethics (2015/89). All procedures followed were in accordance with the ethical standards of the Helsinki Declaration of 1975, as revised in 1983. Patients were asked for and gave a written informed consent, authorizing the use of demographic and clinical data collected as part of this study. Following standard practice in Norway there was no compensation received for participation by neither patients nor clinicians. Consent for publicationWritten informed consent for publication of their clinical details was obtained from the patient. A copy of the consent form is available for review by the Editor of this journal. Competing interestsThe authors declare that they have no competing interests. Competing interests The authors declare that they have no competing interests."

"Funding This study was funded by the Norwegian Research Foundation for Chiropractors (EliB) and the European Chiropractic Union Research Fund. They had no influence on the scholarly conduct of the research interpretation of the results or discrimination of study outcomes. Alice Kongsted’s position at University of Southern Denmark is financially supported by the Danish Foundation for Advancement of Chiropractic Research and Postgraduate Education."