1. Veterinary Sciences Department, Centre of Animal and Veterinary Sciences, University of Trás-os-Montes e Alto Douro, Vila Real, Portugal
2. Immunology Department, Portuguese Institute of Oncology, and Pathology Department, Fernando Pessoa University, Porto, Portugal
3. Molecular Pathology and Immunology Department, Instituto de Ciências Biomédicas de Abel Salazar, University of Porto, and Pathology Department, Portuguese Institute of Oncology, Porto, Portugal