. 2021 Jan 21;7(1):e24588. doi: 10.2196/24588
©Vasileios Nittas, Milo Alan Puhan, Viktor von Wyl. Originally published in JMIR Public Health and Surveillance (http://publichealth.jmir.org), 21.01.2021.
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Figure 1.
Core stages in the life cycle of a cohort study.