. 2023 Jan 11;7:e42158. doi: 10.2196/42158
©Milena Foerster, Lucas Dufour, Wolfgang Bäumler, Ines Schreiver, Marcel Goldberg, Marie Zins, Khaled Ezzedine, Joachim Schüz. Originally published in JMIR Formative Research (https://formative.jmir.org), 11.01.2023.
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Figure 1.
Flowchart of derivation of the study sample via web-based data collection of self-assessed exposure data.