1 CICS-UBI-Health Sciences Research Centre, Universidade da Beira Interior, 6201-506 Covilhã, Portugal.
2 Department of Clinical Analysis, School of Pharmaceutical Sciences, São Paulo State University (UNESP), Rodovia Araraquara/Jaú Km 1, No Number, Campus Ville, Araraquara 14800-903, São Paulo, Brazil.
3 HPV-UNIT-UOSD Tumor Immunology and Immunotherapy, IRCCS Regina Elena National Cancer Institute, 00144 Rome, Italy.