. 2021 May 6;9(5):e22591. doi: 10.2196/22591
©Chia-Tung Wu, Guo-Hung Li, Chun-Ta Huang, Yu-Chieh Cheng, Chi-Hsien Chen, Jung-Yien Chien, Ping-Hung Kuo, Lu-Cheng Kuo, Feipei Lai. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 06.05.2021.
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Figure 8.
Correlation matrix of physiological and environmental data.