1. Unité Mixte de Recherche (UMR) Centre National de la Recherche Scientifique (CNRS) 6214Institut National de la Santé et de la Recherche Médicale (INSERM) U771AngersFrance
2. School of MedicineUniversity of AngersAngersFrance
3. Department of Biochemistry and GeneticsUniversity Hospital of AngersAngersFrance
4. Department of Cell BiologyUniversity of GenevaGenevaSwitzerland
5. F. M. Kirby Neurobiology CenterChildren's HospitalBostonMassachusettsUSA
6. Department of NeurologyHarvard Medical SchoolBostonMassachusettsUSA