Effect of a mobile app chatbot and an interactive small-group webinar on COVID-19 vaccine intention and confidence in Japan: a randomised controlled trial
Takaaki Kobayashi, Hana Tomoi, Yuka Nishina, Ko Harada, Kyuto Tanaka, Shugo Sasaki, Kanako Inaba, Hayato Mitaka, Hiromizu Takahashi, Aly Passanante, Eric H Y Lau, Toshio Naito, Heidi Larson, Joseph Wu, Leesa Lin, Yuji Yamada
BMJ Global Health May 2023, 8 (5) e010370; DOI: 10.1136/bmjgh-2022-010370