RecruitingDevice studyRELIEF - A Global Prospective Observational Post-Market Study to Evaluate Long-Term Effectiveness of Neurostimulation Therapy for PainTo compile characteristics of real-world clinical outcomes for Boston Scientific commercially approved neurostimulation systems for pain in routine clinical practice, when used according to the applicable Instructions for Use \- and - To evaluate the economic value and technical performance of Boston Scientific commercially approved neurostimulation systems for pain in routine clinical practice