The effectiveness of pay-it-forward in addressing HPV vaccine delay and increasing uptake among 15-18-year-old adolescent girls compared to user-paid vaccination: a study protocol for a two-arm randomized controlled trial in China.

Yifan LiChuanyu QinShengyue QiuYu HeLinchuan PangXiaolan XuVivian Wan-Cheong YimShenglan TangHeng DuWenfeng GongFan YangJoseph D TuckerWeiming TangYun WangLeesa LinMark JitWei SongChunrong LiJennifer SmithJing LiDan Wu

Published in: BMC public health (2023)

Chinese Clinical Trial Registry (ChiCTR), ChiCTR2200055542. Registered on 11 January 2022.

Keyphrases

randomized controlled trial
clinical trial
study protocol
high grade
phase ii
health insurance
systematic review
open label
phase iii
meta analyses