chronic traumatictraumatic encephalopathycte chronic traumatic encephalopathycerebral traumatic encephalopathyconcussion traumatic encephalopathychronic brain encephalopathychronic traumatic encephalopathy nfltraumatic brain encephalopathypost traumatic encephalopathyconcussion encephalopathychronic microangiopathic diseasechronic thrombocytopenia