1. Neurounion Biomedical Foundation, Santiago, Chile
2. Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile
3. Center for Molecular Studies of the Cell, Program of Cellular and Molecular Biology, Institute of Biomedical Sciences, University of Chile, Santiago, Chile
4. Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA, USA