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. 2021 Jul 20;9(7):e20650. doi: 10.2196/20650

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©Ting Song, Ping Yu, Vida Bliokas, Yasmine Probst, Gregory E Peoples, Siyu Qian, Lauren Houston, Pascal Perez, Mehrdad Amirghasemi, Tingru Cui, Nadeesha Pathiraja Rathnayaka Hitige, Natalie Anne Smith. Originally published in JMIR mHealth and uHealth (https://mhealth.jmir.org), 20.07.2021.

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

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Screenshots of key functional modules of the refined Home page of the Fitness4Surgery app. (A) Home page, (B) goal selection, (C) achieved goals record, (D) weight and BMI record, (E) survey record, and (F) web-based resources.