1. Laboratory of Virology, Clinical Pathology Unit Centro Hospitalar e Universitário de Coimbra Coimbra Portugal
2. Infectious Diseases Unit, Centro Hospitalar Tondela Viseu Viseu Portugal
3. Molecular Hematology Laboratory, Clinical Hematology Unit Centro Hospitalar e Universitário de Coimbra Coimbra Portugal
4. Clinical Pathology Unit Centro Hospitalar e Universitário de Coimbra Coimbra Portugal
5. Faculty of Medicine University of Coimbra Coimbra Portugal
6. Infectious Diseases Unit Centro Hospitalar e Universitário de Coimbra Coimbra Portugal