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. 2018 Feb 9;2(1):e3. doi: 10.2196/cardio.9000

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©Hyunyoung Baek, Jung-Won Suh, Si-Hyuck Kang, Seungjin Kang, Tae Ho Lim, Hee Hwang, Sooyoung Yoo. Originally published in JMIR Cardio (http://cardio.jmir.org), 09.02.2018.

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

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Patients’ perception of the usefulness of various functions of cardiovascular disease mobile apps (error bars represent standard deviation).