1. Division of Orthopaedics Department of Clinical Sciences Lund Faculty of Medicine Lund University Lund Sweden
2. Department of Neurosurgery and Pain Rehabilitation Skåne University Hospital Lund Sweden
3. Department of Clinical Sciences Lund, Rheumatology Skåne University Hospital Lund University Lund Sweden
4. Institute for Palliative Care Lund University and Region Skåne Lund Sweden
5. Division of Occupational and Environmental Medicine Department of Laboratory Medicine Faculty of Medicine Lund University Lund Sweden