Effectiveness of a Web-Based Tailored Intervention With Virtual Assistants Promoting the Acceptability of HPV Vaccination Among Mothers of Invited Girls: Randomized Controlled Trial

Mirjam Pot   ^{1, 2} , PhD ;   Theo GWM Paulussen   ¹ , PhD ;   Robert AC Ruiter   ² , Prof Dr ;   Iris Eekhout   ^{1, 3} , PhD ;   Hester E de Melker   ⁴ , PhD ;   Maxine EA Spoelstra   ⁵ , MSc ;   Hilde M van Keulen   ¹ , PhD

¹ Netherlands Organization for Applied Scientific Research (TNO), Child Health, Leiden, Netherlands

² Department of Work and Social Psychology, Maastricht University, Maastricht, Netherlands

³ VU University Medical Center, Epidemiology & Biostatistics, Amsterdam, Netherlands

⁴ National Institute for Public Health and the Environment (RIVM), Centre for Infectious Disease Control, Bilthoven, Netherlands

⁵ Department of Psychology, Leiden University, Leiden, Netherlands