1. Institute of Molecular Pathology and Immunology-IPATIMUP, University of Porto, Porto, Portugal
2. Departamento de Inmunobiología, Facultad de Medicina, Universidad de la República and Institut Pasteur, Montevideo, Uruguay
3. Medical Faculty of the University of Porto, University of Porto, Porto, Portugal
4. Institute of Biomedical Sciences of Abel Salazar-ICBAS, University of Porto, Porto, Portugal