1. Department of Cell Biology, Immunology and Neuroscience, and Cell Therapy Program, Faculty of Medicine, Institut d’Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain.
2. Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas, Spain.
3. Nina Ireland Laboratory of Developmental Neurobiology, Department of Psychiatry, University of California at San Francisco, San Francisco, California.
4. Division of Developmental Biology, Children's Hospital Research Foundation, Cincinnati, Ohio.
5. Cutaneous Biology Research Center, Massachusetts General Hospital, Harvard Medical School, Charlestown, Massachusetts.
6. Alicante Neuroscience Institute, Miguel Hernandez University, Consejo Superior de Investigaciones Científicas (CSIC), San Juan de Alicante, Spain.
7. Departamento de Neurobiología Molecular, Celular y del Desarrollo, Instituto Cajal, Consejo Superior de Investigaciones Científicas (CSIC), Madrid, Spain.
8. Department of Cancer Biology, Institut de Génétique et de Biologie Moléculaire et Cellulaire, Institut national de la santé et de la recherche médicale (INSERM), Centre National de la Recherche Scientifique, Illkirch, France.