1 Department of Neurology, University Medical Center Goettingen, Goettingen, Germany. michael.bartl@med.uni-goettingen.de.
2 Institute for Neuroimmunology and Multiple Sclerosis Research, University Medical Center Goettingen, Goettingen, Germany. michael.bartl@med.uni-goettingen.de.
3 Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden.
4 Department of Neurology, University Medical Center Goettingen, Goettingen, Germany.
5 Paracelsus-Elena-Klinik, Kassel, Germany.
6 Institute of Diagnostic and Interventional Neuroradiology, University Medical Center Goettingen, Goettingen, Germany.
7 Department of Neurology, Philipps-University, Marburg, Germany.
8 Department of Neurosurgery, University Medical Center Goettingen, Goettingen, Germany.
9 Clinical Neurochemistry Laboratory, Sahlgrenska University Hospital, Mölndal, Sweden.
10 UK Dementia Research Institute at UCL, London, UK.
11 Department of Neurodegenerative Disease, UCL Institute of Neurology, London, UK.
12 Hong Kong Center for Neurodegenerative Diseases, Hong Kong, China.