1. Department of Pediatric Surgery, Orthopedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
2. Department of Pediatric Orthopedics, University of Turku and Turku University Hospital, Turku, Finland
3. Department of Anesthesia and Intensive Care, University of Turku and Turku University Hospital, Turku, Finland
4. Department of Clinical Science, Intervention and Technology (CLINTEC), Karolinska Institutet, Stockholm, Sweden
5. Department of Reconstructive Orthopedics, Karolinska University Hospital, Stockholm, Sweden
6. Department of Orthopedics and Hand Surgery, Uppsala University Hospital, Uppsala, Sweden
7. Department of Surgical Sciences, Uppsala University, Sweden
8. Department of Orthopedics and Traumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland