1. Department of Infectious Diseases; National Health Institute Doutor Ricardo Jorge; Lisbon Portugal
2. Centre for Molecular Pathogenesis-Retrovirus and Associated Infections Unit; Institute of Molecular Medicine and Drug Research Institute (iMed.ULisboa); Faculty of Pharmacy; University of Lisbon; Lisbon Portugal
3. Clinical Pathology Service, Laboratory of Microbiology, Virology and Molecular Biology; Hospital of Curry Cabral; Lisbon Portugal