. 2021 Mar 16;5(3):e24738. doi: 10.2196/24738
©Nariman Ammar, James E Bailey, Robert L Davis, Arash Shaban-Nejad. Originally published in JMIR Formative Research (http://formative.jmir.org), 16.03.2021.
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Figure 5.
Hierarchy of containers under Bob’s PHL.