van der Heide A, Meinders MJ, Bloem BR, Helmich RC. The impact of the COVID-19 pandemic on psychological distress, physical activity, and symptom severity in Parkinson's disease. J Parkinson's Dis 2020;10(4):1355–1364. https://doi.org/10.3233/JPD-202251
Hipp G, Vaillant M, Diederich NJ, et al. The Luxembourg Parkinson's study: a comprehensive approach for stratification and early diagnosis. Front Aging Neurosci 2018;10:326. https://doi.org/10.3389/fnagi.2018.00326
van der Heide A, Meinders MJ, Speckens AEM, Peerbolte TF, Bloem BR, Helmich RC. Stress and mindfulness in Parkinson's disease: clinical effects and potential underlying mechanisms. Mov Disord 2021;36(1):64–70. https://doi.org/10.1002/mds.28345
Pauly C, Ribeiro F, Schröder VE, et al. The moderating role of resilience in the personality-mental health relationship during the COVID-19 pandemic. Front Psychiatry 2021;12:745636. https://doi.org/10.3389/fpsyt.2021.745636
Ineichen C, Baumann-Vogel H, Sitzler M, Waldvogel D, Baumann CR. Worsened Parkinson's Disease Progression: impact of the COVID-19 pandemic. 5.