[1] Univ Hosp Bonn, Dept Radiol, D-53105 Bonn, Germany
[2] Univ Hosp Bonn, Dept Med Cardiol, D-53105 Bonn, Germany
[3] Univ Hosp Bonn, Dept Neurol, D-53105 Bonn, Germany
[4] KSSG St, MuskelzentrumlALS Clin, Gallen, Switzerland
[5] Univ Munich, Friedrich Baur Inst, D-80539 Munich, Germany
[6] Univ Munich, Dept Neurol, D-80539 Munich, Germany
[7] Univ Hosp Bergmannsheil, Dept Neurol, Bochum, Germany
[8] Univ Heidelberg Hosp, Dept Cardiol, Heidelberg, Germany
[9] Univ Hosp Dresden, Dept Neurol, Dresden, Germany
[10] Univ Hosp Bergmannsheil, Dept Cardiol, Bochum, Germany
[11] Johannes Gutenberg Univ Mainz, Med Ctr, Dept Neuropathol, D-6500 Mainz, Germany
[12] Univ Munich, Dept Clin Radiol, D-80539 Munich, Germany
[13] Univ Erlangen Nurnberg, Fac Med, Inst Neuropathol, Erlangen, Germany