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. 2023 Mar 8;9:e42425. doi: 10.2196/42425

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©Qi Zhang, Huan Ding, Song Gao, Shipeng Zhang, Shiya Shen, Xiaoyan Chen, Zhuping Xu. Originally published in JMIR Public Health and Surveillance (https://publichealth.jmir.org), 08.03.2023.

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 Public Health and Surveillance, is properly cited. The complete bibliographic information, a link to the original publication on https://publichealth.jmir.org, as well as this copyright and license information must be included.

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Location of the study area. The location of (A) Jiangsu Province in China, (B) Wuxi city in Jiangsu Province, and (C) 6 districts and 2 county-level cities in Wuxi city.