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. 2018 Jun 14;7(6):e10312. doi: 10.2196/10312

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©Bettina Nielsen, Kari Slinning, Hanne Weie Oddli, Filip Drozd. Originally published in JMIR Research Protocols (http://www.researchprotocols.org), 14.06.2018.

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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A concept diagram of the implementation strategies and their interrelationships. COS-VF: Circle of Security-Virginia Family; SBSH-CS: Secure Base-Safe Haven coding system; SSP: Strange Situation Procedure.