1. Hospital General Universitario de Alicante, Alicante, 03010, Spain
2. University of Rome Tor Vergata, Department of Clinical Science & Translational Medicine & Unit of Pain Therapy, Polyclinic of Tor Vergata, Rome, 00133, Italy
3. Hospital Universitario 12 de Octubre; Department of Rehabilitation, Hospital Universitario 12 de Octubre, Madrid, 28041, Spain
4. Italian College of General Practitioners & Primary Care, Florence, 50141, Italy
5. Hospital Universitario Fundación Santa Fe, Bogotá 110121, Universidad de los Andes, Colombia
6. Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Mexico City, 14080, Mexico
7. Global Market Access, Grünenthal GmbH, Aachen, 52099, Germany
8. R&D – Development – Data Sciences, Grünenthal GmbH, Aachen, 52099, Germany
9. Global Medical Affairs, Grünenthal GmbH, Aachen, 52099, Germany