1. Institute of Pain Medicine Rambam Health Care Campus, and Technion – Israel Institute of Technology Haifa Israel
2. Leuven Center for Algology & Pain Management University Hospitals Leuven Leuven KU Belgium
3. Institute for Pain Medicine Sourasky Medical Center Tel Aviv Israel
4. Internal Medicine 1 Klinikum Saarbrücken gGmbH Saarbrücken Germany
5. Department Psychosomatic Medicine and Psychotherapy Technische Universität München Munich Germany