[1] Univ Zurich Hosp, CH-8091 Zurich, Switzerland
[2] Univ Clin Freibourg, Dept Neuropathol, Freibourg, Germany
[3] Univ Geneva, Dept Pathol & Immunol, Geneva, Switzerland
[4] Tech Univ Munich, Helmoltz Zentrum, Munich, Germany
[5] Univ Zurich, Zurich, Switzerland