1. Neurological Intensive Care Unit Department of Neurology Charité – Universitätsmedizin Berlin 10117 Berlin Germany
2. Department of Pathology Charité – Universitätsmedizin Berlin 10117 Berlin Germany
3. Childhood Cancer Research Unit Department of Women׳s and Children׳s Health Karolinska Institutet Karolinska University Hospital Solna 17176 Stockholm Sweden