. 2026 Jun 23;15:e88180. doi: 10.2196/88180
©Meng Li, Dake Tong, Meng Cheng, Jiantao Li, Fang Ji, Wei Zhang. Originally published in JMIR Research Protocols (https://www.researchprotocols.org), 23.06.2026.
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Figure 2.
Main equipment of the navigation system.