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. 2020 Oct 27;9(10):e17263. doi: 10.2196/17263

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©Ada Aghaji, Helen Burchett, Shaffa Hameed, Jayne Webster, Clare Gilbert. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 27.10.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Research Protocols, is properly cited. The complete bibliographic information, a link to the original publication on http://www.researchprotocols.org, as well as this copyright and license information must be included.

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Theoretical framework for technical feasibility assessment derived from Gericke et al [27]. WHO: World Health Organization.