1. Institute of Neuroscience and Physiology at the Sahlgrenska Academy University of Gothenburg Gothenburg Sweden
2. Regional Rehabilitation Centre for Children and Adolescents Queen Silvia’s Children’s Hospital, Sahlgrenska University Hospital Gothenburg Sweden
3. Department of Hand Surgery Sahlgrenska University Hospital Gothenburg Sweden
4. Department of Paediatrics, Institute of Clinical Sciences at the Sahlgrenska Academy University of Gothenburg Gothenburg Sweden