1 INTRODUCTION Human papillomaviruses (HPV) infection can result in cervical intraepithelial neoplasia (CIN), which left untreated may ultimately progress to cervical cancer, a leading cause of death among women.1, 2 HPV DNA is detected in more than 95% of cervical cancers, and the high-risk (HR)-HPVs, particularly HPV16 and HPV18, are responsible for >70% of invasive cervical cancers.3 In addition, HR-HPVs are also associated with head and neck,4 vulvar,5 anal,6 and penile cancers.7 E6 and...