1. Department of Obstetrics and Gynecology Tampere University Hospital Tampere Finland
2. Department of Pediatric and Adolescent Surgery Tampere University Hospital Tampere Finland
3. Department of Orthopedics and Traumatology Department of Trauma, Musculoskeletal Surgery and Rehabilitation Tampere University Hospital Tampere Finland
4. Finnish Institute for Health and Welfare Helsinki Finland
5. Department of Neurobiology, Care Sciences and Society Karolinska Institute Stockholm Sweden
6. Department of Emergency, Anesthesia and Pain Medicine Tampere University Hospital Tampere Finland