1. Institute of Neuroscience and Physiology at the Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden
2. Regional Rehabilitation Center; Queen Silvia's Children's Hospital; Sahlgrenska University Hospital; Gothenburg Sweden
3. Department of Hand and Plastic Surgery/Hand Surgery; Sahlgrenska University Hospital; Gothenburg Sweden
4. Department of Paediatrics; Institute of Clinical Sciences at the Sahlgrenska Academy; University of Gothenburg; Gothenburg Sweden