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| Study characteristics | ||
| WHO region | America | |
| Country classification by income level | HIC | |
| Study aim | Gain a better understanding of the rationale underpinning parents' choices to adopt alternative vaccination schedules for their children | |
| Study setting | USA; parents of children 12 to 36 months of age who were members of Kaiser Permanente in Northern California (KPNC), a nonprofit health maintenance organisation serving privately‐ and publicly‐insured individuals. | |
| Notes | ||
