COVID-19(7) Complication(4) SARS-CoV-2(4) Patient(4) intensive care units(3) Genetic variant(3) Critical illness polyneuropathy(3) Polyneuropathy(3) peripheral(3) exhibited(3) coronavirus disease(3) ICU(3) Critical(3) Neuromuscular manifestations(3) Adult patients(3) examined(3) severe COVID-19(3) Myopathy(3) Follow-up(3) Neuromuscular(3) acute respiratory syndrome(3) paediatric patients(3) paediatric patient(3) Severe acute respiratory syndrome(3) Clinical improvement(3) Severe acute respiratory syndrome.(3) Peripheral nervous system(3) mechanically ventilated(3) include(3) Prognosis(3)