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. 2021 Apr 18;34(1):50–59. doi: 10.1177/15691861211005059

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© The Author(s) 2021

Creative Commons Non Commercial CC BY-NC: This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — (a) The floor plan indicating the installed sensors and the information-support robot. (b) The system diagram including data collection and the flow that the robot distributed the information. (c) The research protocol.