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. 2022 Jan 31;12(1):e054623. doi: 10.1136/bmjopen-2021-054623

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Wechat applet ‘TahneeWeh’ interface. (A) Daily step progress using a circular dial; (B) weekly step progress; (C) feedback on Weekly level changes; (D) points and level in this week; (E) health education on cardiac rehabilitation and secondary prevention; (F) International Physical Activity Questionnaire filling interface.