@article{202304.0567,
	doi = {10.20944/preprints202304.0567.v1},
	url = {https://doi.org/10.20944/preprints202304.0567.v1},
	year = 2023,
	month = {April},
	publisher = {Preprints},
	author = {Masaki Takebayashi and Mira Namba and Yudai Kaneda and Tatsuya Koyama and Soichiro Miyashita and Kurenai Takebayashi and Motoki Oonishi},
	title = {How Can We Promote COVID-19 Vaccination? - Comparison of the Potential Influence between Opt-out and Opt-in Defaults},
	journal = {Preprints}
}