Table 1 Description of all eligibility criteria

Participants fulfilling all the following inclusion criteria were eligible:

The presence of any of the following criteria led to exclusion:

 • healthy (based on self-report) older adults (≥ 60 years)

 • ability to stand for at least 10 min without assistance

 • German speaking

• mobility impairments (i.e., gait, balance) that prevent from study participation

• presence of neurological disorders (i.e., epilepsy, stroke, multiple sclerosis, Parkinson’s disease, brain tumors, or traumatic disorders of the nervous system)

• presence of any other unstable or uncontrolled diseases (e.g., uncontrolled high blood pressure and progressing or terminal cancer)