1 School of Animal and Comparative Biomedical Sciences, The BIO5 Institute, Department of Immunobiology, Cancer Biology GIDP, Genetics GIDP, and UA Cancer Center, Tucson, AZ 85721, USA. vandoorslaer@email.arizona.edu.
2 International HPV Reference Center, Department of Laboratory Medicine, Karolinska Institutet, 14186 Stockholm, Sweden. Joakim.Dillner@ki.se.