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. 2021 Mar 16;6(1):e20270. doi: 10.2196/20270

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©Claudia Eberle, Stefanie Stichling. Originally published in JMIR Diabetes (http://diabetes.jmir.org), 16.03.2021.

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 Diabetes, is properly cited. The complete bibliographic information, a link to the original publication on http://diabetes.jmir.org/, as well as this copyright and license information must be included.

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Scheme for structuring the included studies. BP: blood pressure; HbA_1c: hemoglobin A_1c; DRQoL: diabetes-related quality of life; HRQoL: health-related quality of life; MA: meta-analysis; SR: systematic review; RCT: randomized controlled trial.