. 2018 Sep 4;6(9):e170. doi: 10.2196/mhealth.9781
©Janet van den Boer, Annemiek van der Lee, Lingchuan Zhou, Vasileios Papapanagiotou, Christos Diou, Anastasios Delopoulos, Monica Mars. Originally published in JMIR Mhealth and Uhealth (http://mhealth.jmir.org), 04.09.2018.
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Figure 6.
Old version and new, smaller version of the datalogger (left) and plug (right).