1. Department of Neurology, Columbia University Irving Medical Center and the NewYork-Presbyterian Hospital, New York, NY, USA
2. Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
3. Department of Neurology & Neurological Sciences, Stanford University School of Medicine, Stanford, CA, USA
4. Department of Neurology, Brigham and Women’s Hospital & Harvard Medical School, Boston, MA, USA
5. Department of Neurology, Weill Cornell Medical College, New York, NY, USA