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. 2021 Oct 28;12:731606. doi: 10.3389/fneur.2021.731606

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Copyright © 2021 Ma, Hou, Zhang, He, Gao, Kaudimba, Lin, Jin, Liu and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Recruitment information in the app. (A) Advertisement of Volunteer Recruitment for Parkinson's Researches, (B) the interface of filling out the ADL form, and (C) the interface of completing the ADL form.