1. Department of Anesthesia McMaster University ON Canada
2. Division of Pain Medicine Mayo Clinic Alix School of Medicine Phoenix AZ USA
3. Pain Diagnostics and Interventional Care Sewickley PA USA
4. Department of Anaesthesiology Hospital das Forças Armadas Pólo Porto Portugal
5. Department of Pain Medicine James Cook University Hospital Middlesbrough UK
6. Comprehensive Integrated Pain Program‐Interventional Pain Service Department of Anesthesia and Pain Medicine University of Toronto and Toronto Western Hospital Toronto ON Canada
7. Department of Anesthesiology Sint Maartenskliniek Nijmegen The Netherlands
8. Comprehensive Integrated Pain Program‐Interventional Pain Service Department of Anesthesia and Pain Medicine Toronto Western Hospital Toronto ON Canada
9. Department of Anesthesiology and Critical Care Medicine, Neurology and Physical Medicine and Rehabilitation Johns Hopkins School of Medicine Baltimore MD USA
10. Northeast Ohio Medical University and Chairman Center for Pain Medicine Western Reserve Hospital Cuyahoga Falls OH USA