. 2021 Sep 8;23(9):e28356. doi: 10.2196/28356
©Kassandra Karpathakis, Gene Libow, Henry W W Potts, Simon Dixon, Felix Greaves, Elizabeth Murray. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 08.09.2021.
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Figure 1.
The seven data collection methods with the output of each stage becoming the input for the next stage.