Inclusion Criteria:  patients aged 18 years to no upper limit patients were diagnosed with COVID-19 Non-COVID patients with the need to participate in early rehab  Exclusion Criteria:  a too high language barrier or dyslexia patients with intellectual and cognitive impairment (like primary psychiatric illness, e.g., schizophrenia or dementia, if admitted by means of medical history by a physician or if the score achieved in the cognitive screening by means of the mini-mental-state-examination (MMSE) is 23 or below 23 and no improvement of the cognitive performance is to be expected, e.g. because of an incipient dementia)