1. Multidisciplinary Pain Management Unit, Hospital Universitari i Politècnic La Fe, Valencia, 46026, Spain
2. Department of Anaesthesiology, Hospital Universitari i Politècnic La Fe, Valencia, 46026, Spain
3. Department of Psychiatry, Hospital Universitari i Politècnic La Fe, Valencia, 46026, Spain
4. Department of Surgical Specialities, Hospital Universitari i Politècnic La Fe, Valencia, 46026, Spain
5. Department of Preventive Medicine & Public Health, Unit of Preventive Medicine & Public Health, Food Sciences, Toxicology & Forensic Medicine, Universitat de València, Burjassot, 46100, Spain
6. CIBER Epidemiology & Public Health (CIBERESP). The Institute of Health Carlos III (ISCIII), Madrid, 28029, Spain