[1] Christian Albrechts Univ Kiel, Dept Neurol, Kiel, Germany
[2] Eberhard Karls Univ Tubingen, Univ Hosp Tubingen, Clin Anesthesiol & Intens Care Med, Tubingen, Germany
[3] Diakonie Klinikum Stuttgart, Dept Anaesthesiol, Stuttgart, Germany
[4] Univ Tubingen, Hertie Inst Clin Brain Res, Dept Neurodegenerat, Tubingen, Germany