Regional Committees for Medical and Health Research Ethics, Trondheim, Norway
Sykehuset Levanger, Levanger, Norway
Distriksmedisinsk Senter, Stjørdal, Norway
Stjørdal Kommune, Stjørdal, Norway
Østmarka Psychiatric Department, St Olavs Hospital, Trondheim, Norway
St Olavs Hospital, Trondheim, Norway
Fysioterapitjenesten i Ørsta, Ørsta, Norway
Norwegian National Headache Centre, Trondheim, Norway
Avdeling for smerte og sammensatte symptomlidelser (ASSL) St Olavs Hospital, Trondheim, Norway
Norwegian University of Science and Technology, Trondheim, Norway
Obesity policlinic of St. Olavs Hospital, Trondheim, Norway