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Timeline of the study depicting assessments, tests and questionnaires, when and where they take place. BDI, Beck’s Depression Inventory; NMSQuest, Non-Motor Symptoms Questionnaire; PDQ-8, Parkinson’s Disease Questionnaire; PDSS, Parkinson’s Disease Sleep Scale; TAM, Technology Acceptance Model; TUG, Timed Up and Go; uMARS, User Version of the Mobile Application Rating Scale; MDS-UPDRS, Movement Disorder Society-Unified Parkinson Disease Rating Scale.
