1. Instituto de Medicina Molecular, Faculdade de Medicina da Universidade de Lisboa, Avenida Professor Egas Moniz, Lisbon, 1649-028, Portugal.
2. Babraham Institute, Babraham Research Campus, Cambridge CB22 3AT, UK.
3. Department of Medicine, University of Chicago, 900 East 57th Street, MB#9, Chicago, IL 60637, USA.
4. Committee on Immunology, University of Chicago, Chicago, IL 60637, USA.
5. Department of Molecular Neuroscience, University College London Institute of Neurology, Queen Square, London WC1N 3BG, UK.
6. Beatson Institute for Cancer Research, Garscube Estate, Glasgow G61 1BD, Scotland.