1. Institute for Biomedicine (IBUB), University of Barcelona, Barcelona, Spain
2. Control of Stem Cell Potency Group, Institute for Bioengineering of Catalonia (IBEC), Barcelona, Spain
3. Center for Networked Biomedical Research on Bioengineering, Biomaterials and Nanomedicine (CIBER‐BBN), Spain
4. Neurodegenerative Diseases Research Group, Vall d'Hebron Research Institute, Barcelona, Spain
5. Center for Networked Biomedical Research on Neurodegenerative Diseases (CIBERNED), Madrid, Spain
6. Movement Disorders Unit, Department of Neurology, Hospital Clinic of Barcelona, Barcelona, Spain
7. Department of Biomedical Science and Biotechnology, University of Brescia, Brescia, Italy
8. Department of Developmental and Molecular Biology and Institute for Aging Studies, Albert Einstein College of Medicine, Bronx, NY, USA
9. Faculty of Medicine, Department of Cell Biology, Immunology and Neuroscience, Universitat de Barcelona, Barcelona, Spain
10. Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain
11. Cell Therapy Program, Faculty of Medicine, Universitat de Barcelona, Barcelona, Spain
12. Instituto de Biomedicina de Sevilla, Hospital Universitario Virgen del Rocio/CSIC/Universidad de Sevilla, Sevilla, Spain
13. Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain