A 13-year-old girl presents to her pediatrician for a routine well-child visit. Her mother reports that the patient is healthy and has no significant past medical history. She is up to date on all her childhood vaccinations and has no known allergies. The patient is not sexually active and lives in a household with two siblings, both of whom are older and fully vaccinated. During the visit, the pediatrician discusses the importance of the HPV vaccine for preventing cervical, anal, and oropharyngeal cancers, as well as genital warts. The patient’s mother decides to have her daughter vaccinated against HPV. What is the appropriate dosing schedule for HPV vaccination in a 13-year-old girl?