Affiliation: | 1. Molecular Oncology and Viral Pathology Group, Portuguese Oncology Institute of Porto, Porto, Portugal;2. Virology Service, Portuguese Oncology Institute of Porto, Porto, Portugal;3. Otorhinolaryngology Service, Portuguese Oncology Institute of Porto, Porto, Portugal;4. Abel Salazar Institute for the Biomedical Sciences (ICBAS), University of Porto, Porto, Portugal;5. Faculty of Health Sciences of Fernando Pessoa University, CEBIMED, Porto, Portugal;6. Research Department, Portuguese League Against Cancer (Liga Portuguesa Contra o Cancro ‐ Núcleo Regional do Norte), Porto, Portugal |