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. 2023 Sep 18;10(9):399. doi: 10.3390/jcdd10090399

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© 2023 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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(a) Aethon TUG autonomous mobile robot (Aethon, Pittsburgh, PA, USA) [98]; (b) Moxi robot system (Diligent Robotics, Austin, TX, USA) [99]; (c) Pudu Puductor 2 disinfection robot (Pudu Robotics, Shenzhen, China) [100].