1. UJF-Grenoble 1/CNRS/TIMC-IMAG UMR 5525; Grenoble France
2. CHU Grenoble, Pôle Santé Publique; Grenoble France
3. Norwich Medical School; University of East Anglia; Norwich UK
4. The Cerebral Palsy Register of Norway; Vestfold Hospital Trust; Tønsberg Norway
5. University Children's Hospital; Department of Paediatric Neurology; Tuebingen Germany
6. IMAS12 Research Institute; CIBERESP; Madrid Spain
7. RHEOP; Grenoble France