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. 2019 Sep 24;6:91. doi: 10.3389/frobt.2019.00091

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Copyright © 2019 Bekele and Champion.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Identified capabilities of current interaction methods based on a comparison of their features against the three criteria (relationship, collaboration, and engagement). This figure is a summary of Table 4.