Philippe Coubes - Research group on movement disorders in children, Department of Paediatric Neurosurgery, Centre Gui de Chauliac, Centre Hospitalo-universitaire, 34295 Montpellier Cedex 5, France
Agathe Roubertie - Research group on movement disorders in children, Department of Paediatric Neurosurgery, Centre Gui de Chauliac, Centre Hospitalo-universitaire, 34295 Montpellier Cedex 5, France
Nathalie Vayssiere - Research group on movement disorders in children, Department of Paediatric Neurosurgery, Centre Gui de Chauliac, Centre Hospitalo-universitaire, 34295 Montpellier Cedex 5, France
Simone Hemm - Research group on movement disorders in children, Department of Paediatric Neurosurgery, Centre Gui de Chauliac, Centre Hospitalo-universitaire, 34295 Montpellier Cedex 5, France
Bernard Echenne - Research group on movement disorders in children, Department of Pediatric Neurology, Centre Gui de Chauliac, Centre Hospitalo-universitaire, 34295 Montpellier Cedex 5, France