1. Department Psychosomatic Medicine and Psychotherapy Technische Universität München München Germany
2. Department of Anaesthesia and Pain Management Neuromodulation Centre Morges Switzerland
3. Pharmacology and Therapeutic, School of Medicine Centre for Pain Research, Galway Neuroscience Centre National University of Ireland Galway Galway Ireland
4. Collaborative Antwerp Psychiatric Research Institute, Antwerp University Antwerp Belgium
5. Department of Public Health and Nursing Norwegian University of Science and Technology Trondheim Norway
6. Pain Clinic Helsinki University Hospital Helsinki Finland
7. REHPA ‐ The Danish Knowledge Centre for Rehabilitation and Palliative Care, Department of Clinical Research University of Southern Denmark Nyborg Denmark
8. School of Pharmacy University of Nottingham Nottingham UK
9. Pain Centre Versus Arthritis, Clinical Sciences Building City Hospital Nottingham Nottingham UK
10. Department of Surgical Sciences, Pain Research Uppsala University Uppsala Sweden
11. Department of Anesthesiology Intensive Care and Pain Treatmen, Faculty of Medicine of University Maribor Maribor Slovenia
12. Anaesthesiology, Operative and Intensive Care Service Pärnu Hospital Pärnu Estonia
13. Pain Medicine Department University Hospital Cochin, Université de Paris Paris France
14. Center for Algology & Pain Management University Hospitals Leuven Leuven Belgium