1. Functional Neuroimaging, Cognitive and Mobility Laboratory, Department of Radiology, University of Michigan, Ann Arbor, MI, USA
2. Morris K. Udall Center of Excellence for Parkinson’s Disease Research, University of Michigan, Ann Arbor, MI, USA
3. Institute for Kinesiology Research, Science and Research Centre of Koper, Koper, Slovenia
4. Department of Health Sciences, Alma Mater Europaea – ECM, Maribor, Slovenia
5. Centre for Neurology, Department for Neurodegenerative Diseases and Hertie Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany
6. Geriatric Research Education and Clinical Center, Veterans Affairs Ann Arbor Healthcare System, Ann Arbor, MI, USA
7. Department of Neurology, University of Michigan, Ann Arbor, USA