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. 2018 Jul 16;19:387. doi: 10.1186/s13063-018-2773-6

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© The Author(s). 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT 2013) diagram illustrating the schedule of enrolment, post-allocation and close-out for all assessments. TMS Transcranial magnetic stimulation, fNIRS Functional near-infrared spectroscopy, UPDRS Unified Parkinson’s Disease Rating Scale, mBEST Mini Balance Evaluation Systems Test, 4SST Four Square Step Test, 5TSTST Five Times Sit to Stand Test, 10MWT 10-Metre Walk Test, PDQ-39 39-Item Parkinson’s Disease Questionnaire